Walker, O. C., & Mullins, J. W. (2011). Marketing strategy: A decision-focused approach (7th ed.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)Walker, Orville C., agus John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. New York: McGraw-Hill/Irwin, 2011.
Lua MLA (9ú heag.)Walker, Orville C., agus John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. McGraw-Hill/Irwin, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.