Sources:
[Red Bull] https://books.google.ca/books/about/Entrepreneurs.html?id=TcR1iS84mWMC
https://www.scmp.com/life-style/food-drink/article/2156996/red-bull-story-how-worlds-top-energy-drink-began-thailand-it
https://books.google.ca/books/about/ManVentions.html?id=ehjrDQAAQBAJ
https://www.nytimes.com/2013/12/08/journal/who-made-that-energy-drink.html
https://www.bangkokpost.com/enterprise/808868/red-bull-still-charging-ahead
https://www.bangkokpost.com/enterprise/285995/energised-as-ever
https://digital.hbs.edu/platform-rctom/submission/red-bull-doesnt-make-anything-except-money/
https://www.redbull.com/us-en/red-bull-dolomitenmann-info
https://www.redbull.com/us-en/energydrink/history-of-red-bull
https://globalmarketingprofessor.com/red-bull-gives-you-wings/
[Lipovitan D] https://radiichina.com/we-drank-all-the-vitamin-functional-drinks-at-family-mart/
[Lucozade] https://books.google.ca/books/about/Brand_Vision_How_To_Energize_Your_Team_T.html?id=6gn0AIHttnoC
https://www.spectator.co.uk/article/thanks-jamie-oliver-you-ve-stolen-my-childhood
[Chaleo Yoodvihya] https://www.unbiased.co.uk/information/obituaries/chaleo-yoovidhya-recluse-who-created-the-red-bull-energy-drink-7579362.html
https://www.businessinsider.com/chaleo-yoovidhya-dies-2012-3/lightbox?r=AU&IR=T
https://www.washingtonpost.com/native/obituaries/chaleo-yoovidhya-who-made-fortune-in-red-bull-energy-drink-dies-in-thailand/2012/03/19/gIQANsx6NS_story.html
[Dietrich Mateschitz] https://www.economist.com/enterprise/2002/05/09/selling-energy
https://moneyweek.com/509778/dietrich-mateschitz-late-bloomer-gets-a-boost-from-red-bull
http://www.nbcnews.com/id/43112711/ns/business-us_business/t/red-bulls-billionaire-maniac-becomes-media-mogul/#.XlE6SxNKgh8
https://www.unbiased.co.uk/information/individuals/profiles/dietrich-mateschitz-raging-bull-17927.html
https://www.brisbanetimes.com.au/life-style/rise-of-the-red-bullionaire-the-man-who-turned-krating-daeng-to-gold-20111018-1lufi.html
https://books.google.ca/books/about/The_Self_made_Billionaire_Effect.html?id=CD3ZCwAAQBAJ
https://books.google.ca/books/about/Business_Development_Merger_And_Crisis_M.html?id=6FZoDwAAQBAJ
https://www.bloomberg.com/information/options/2019-10-11/red-bull-billionaire-dietrich-mateschitz-s-austrian-property-hunt
https://www.maxim.com/food-drink/dietrich-mateschitz-turned-red-bull-into-an-empire-2018-10