Gaya APA
WHEELEN, T, L., HUNGER, J, D. (2000).
Strategic management and business policy: (7th ed.).
New Jersey:
Pearson Education.
Gaya MLA
WHEELEN, Thomas, L.., HUNGER, J., David.
"Strategic management and business policy:".
7th ed.
New Jersey:
Pearson Education,
2000.
Buku.