APA Style
Walker, Gordon. (2007).
Modern competitive strategy (ed-2).
New York:
McGraw- Hill.
Chicago Style
Walker, Gordon.
Modern competitive strategy.
ed-2
New York:
McGraw- Hill,
2007.
Buku.
MLA Style
Walker, Gordon.
Modern competitive strategy.
ed-2
New York:
McGraw- Hill,
2007.
Buku.
Turabian Style
Walker, Gordon.
Modern competitive strategy.
ed-2
New York:
McGraw- Hill,
2007.
Buku.