Gaya APA

Gamble, J, E. et al (2010). Crafting and Executing Strategy: The Quest for Competitive advantage: Concepts and Cases (Seventeeth Edition). New York: The McGraw Hill Companies.

Gaya MLA

Gamble, John, E.. et al. "Crafting and Executing Strategy: The Quest for Competitive advantage: Concepts and Cases". Seventeeth Edition New York: The McGraw Hill Companies, 2010. Text.