APA aipamena

 Walker, O. C. (2010).  Marketing Strategy: A decision - Focused approach.  McGraw-Hill Irwin.

Chicago Style aipamena

 Walker, Orville C.  Marketing Strategy: A Decision - Focused Approach.  McGraw-Hill Irwin, 2010.

MLA aipamena

 Walker, Orville C.  Marketing Strategy: A Decision - Focused Approach.  McGraw-Hill Irwin, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.