Gaya APA
Walker, Gordon. (2016).
Modern Competitive Strategy .
New York:
McGraw hill.
Gaya Chicago
Walker, Gordon.
Modern Competitive Strategy.
New York:
McGraw hill,
2016.
Text.
Gaya MLA
Walker, Gordon.
Modern Competitive Strategy.
New York:
McGraw hill,
2016.
Text.
Gaya Turabian
Walker, Gordon.
Modern Competitive Strategy.
New York:
McGraw hill,
2016.
Print.