Gaya APA
WALKER,Gordon. (2004).
Modern Competitive Strategy .
New York:
The McGraw-Hill Companies.
Gaya Chicago
WALKER,Gordon.
Modern Competitive Strategy.
New York:
The McGraw-Hill Companies,
2004.
Text.
Gaya MLA
WALKER,Gordon.
Modern Competitive Strategy.
New York:
The McGraw-Hill Companies,
2004.
Text.
Gaya Turabian
WALKER,Gordon.
Modern Competitive Strategy.
New York:
The McGraw-Hill Companies,
2004.
Print.