Gaya APA

Gamble, J, E. (2013). ESSENTIALS OF STRATEGIC MANAGEMENT; The Quest for Competitive Advantage (3rd). New York: MCGRAW-HILL.

Gaya MLA

Gamble, John, E.. "ESSENTIALS OF STRATEGIC MANAGEMENT; The Quest for Competitive Advantage". 3rd New York: MCGRAW-HILL, 2013. Text.