Gaya APA
Walker, Gordon. (2009).
Modern Competitive Strategy (Third Edition).
Boston:
McGraw-Hill.
Gaya Chicago
Walker, Gordon.
Modern Competitive Strategy.
Third Edition
Boston:
McGraw-Hill,
2009.
Buku.
Gaya MLA
Walker, Gordon.
Modern Competitive Strategy.
Third Edition
Boston:
McGraw-Hill,
2009.
Buku.
Gaya Turabian
Walker, Gordon.
Modern Competitive Strategy.
Third Edition
Boston:
McGraw-Hill,
2009.
Buku.