The Fascinating Family Feud that Led to Adidas and Puma, and Allowed Nike to Dominate the Market
The Famous Family Feud That Spawned Adidas and Puma | HowStuffWorks
Sneaker Wars: The Enemy Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sports : Smit, Barbara: Amazon.es: Libros
Crank Brothers
Adidas vs Puma: The Story of the Adidas And Puma Brothers