Gaya APA

Gamble, J, E. et al (2021). Essentials of strategic management the quest for competitive advantage (seventh edition) (Ed. 7). New York: Mc Graw Hiil.

Gaya MLA

Gamble, John, E.. et al. "Essentials of strategic management the quest for competitive advantage (seventh edition)". Ed. 7 New York: Mc Graw Hiil, 2021. TEXT.