Citazione Stile APA (7a Edizione)

Burt, D. N., Petcavage, S. D., & Pinkerton, R. L. (2012). Proactive purchasing in the supply chain: The key to world-class procurement. McGraw-Hill Professional.

Citazione stile Chigago Style (17a edizione)

Burt, David N., Sheila D. Petcavage, e Richard L. Pinkerton. Proactive Purchasing in the Supply Chain: The Key to World-class Procurement. New York: McGraw-Hill Professional, 2012.

Citatione MLA (9a ed.)

Burt, David N., et al. Proactive Purchasing in the Supply Chain: The Key to World-class Procurement. McGraw-Hill Professional, 2012.