APA-Zitierstil (7. Ausg.)

Walker, G. (2003). Modern competitive strategy (International ed.). McGraw-Hill Education (Asia).

Chicago-Zitierstil (17. Ausg.)

Walker, Gordon. Modern Competitive Strategy. International ed. Singapore: McGraw-Hill Education (Asia), 2003.

MLA-Zitierstil (9. Ausg.)

Walker, Gordon. Modern Competitive Strategy. International ed. McGraw-Hill Education (Asia), 2003.