Gaya APA
Bowman, D., F., D., C. (1997).
The Essence of Competitive Strategy : Strategi Kompetitif (1).
Yogyakarta:
.
Gaya MLA
Bowman, David, Faulkner, Dan, Cliff.
"The Essence of Competitive Strategy : Strategi Kompetitif".
1
Yogyakarta:
,
1997.
Text.