Rivals Forever - The Sneaker Battle (TV Mini Series 2016) - IMDb
Adidas vs. Puma - YouTube
Adidas vs. Puma: The $20 Billion Argument
Adidas vs Puma - The Family Argument That Gave Rise to Sports Marketing - YouTube
Duell der Brüder - Die Geschichte von Adidas und Puma (TV Movie 2016) - IMDb
Adidas and Puma: A Family Story - Free Logo Design
Puma vs Adidas: 80 лет противостояния | BURO.
Amazon.com: Sneaker Wars: The Enemy Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sports: 9780061246586: Smit, Barbara
Adidas vs Puma - The Family Argument That Gave Rise to Sports Marketing
Inside Puma's Sprint Past Adidas In India - Forbes India