APA ציטוט

Walker, G. . .. (2007). Modern competitive strategy (2nd ed.). Mc Graw Hill.

Chicago Edition Citation

Walker, Gordon. Modern Competitive Strategy. 2nd ed. Boston: Mc Graw Hill, 2007.

ציטוט MLA

Walker, Gordon. Modern Competitive Strategy. 2nd ed. Mc Graw Hill, 2007.