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.