Gaya APA

Gamble, J, E. et al (2013). ESSENTIALS OF STRATEGIC MANAGEMENT : The Quest For Competitive Advantage (Ed 3). New York: McGraw-Hill.

Gaya MLA

Gamble, John, E.. et al. "ESSENTIALS OF STRATEGIC MANAGEMENT : The Quest For Competitive Advantage". Ed 3 New York: McGraw-Hill, 2013. Text.