Sneaker Wars: The Enemy Brothers Who Founded Adidas and Puma and the Family Feud That Forever Changed the Business of Sport de Smit, Barbara: New (2008) | GF Books, Inc.
Back-to-school guide: PUMA and its iconic logo - Bentley blog
Puma - Bukuji Web Design and Marketing Agency
Puma Brand Book on Behance
Puma Brand Book on Behance
The Puma Story: The Remarkable Turnaround of an Endangered Species into One of the World's Hottest Sportlifestyle Brands by Rolf-Herbert Peters | Goodreads