Gaya APA
Wheelen, T, L., Hunger, D. (1998).
Strategic Management and Business Policy (Sixth Edition).
United States of America:
Addison Wesley Longmand, Inc..
Gaya MLA
Wheelen, Thomas, L.., Hunger, David.
"Strategic Management and Business Policy".
Sixth Edition
United States of America:
Addison Wesley Longmand, Inc.,
1998.
Textbook.