Running shoe brands chase Nike at U.S. Track and Field Trials - oregonlive.com
How did Nike get 60% market share of the sneaker market? - Quora
The battle for sporting goods supremacy: Nike vs Adidas | IG Bank Switzerland
1 Commodity Chains and Marketing Strategies: Nike and the Global Athletic Footwear Industry Miguel Korzeniewicz, Ch. 18, pp (Excerpted from Korzeniewicz, - ppt download