Gaya APA

Wheelen, T, L., Hunger, J, D. (2002). Strategic management and business policy (8th ed.). Upper Saddle River: Prentice Hall.

Gaya MLA

Wheelen, Thomas, L.., Hunger, J., David. "Strategic management and business policy". 8th ed. Upper Saddle River: Prentice Hall, 2002. Buku/Printed Material.