Gaya APA

Hunger, J., Wheelen, T, L. (1991). Strategic management and business policy ed. 4 (4). New York: Addison-wesley Publishing Company.

Gaya MLA

Hunger, J.David., Wheelen, Thomas, L.. "Strategic management and business policy ed. 4". 4 New York: Addison-wesley Publishing Company, 1991. Text.