Gaya APA

Gamble, J, E, A, A, T, M, A, P. (2013). Essentials of Strategic Management : The Quest for Competitive Advantage (Third Edition). New York: McGraw-Hill Companies.

Gaya MLA

Gamble, John, E.,, Arthur, A., Thompson,, Margaret, A., Peteraf. "Essentials of Strategic Management : The Quest for Competitive Advantage". Third Edition New York: McGraw-Hill Companies, 2013. Text.