Gaya APA

Gamble, J, E. et al (2013). Essentials Of Strategic Management: The Quest For Competitive Advantage (3). New York: Mc Graw Hill.

Gaya MLA

Gamble, John, E.. et al. "Essentials Of Strategic Management: The Quest For Competitive Advantage". 3 New York: Mc Graw Hill, 2013. Text.