Puma CEO Set to Join German Rival Adidas - Footwear Insight
Puma CEO Bjorn Gulden in talks to succeed Kasper Rorsted as Adidas chief
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 Story of the Adidas And Puma Brothers
La historia de Adidas y Puma, dos hermanos que se odiaban - La Tercera
Puma CEO Gulden set to become new Adidas head -source | Reuters