APA-referens

Walker, O. C. (2006). Marketing strategy (5th ed.). Tata McGraw Hill.

Chicago-stil citat

Walker, Orville C. Marketing Strategy. 5th ed. New Delhi: Tata McGraw Hill, 2006.

MLA-referens

Walker, Orville C. Marketing Strategy. 5th ed. Tata McGraw Hill, 2006.