Lua APA (7ú heag.)
Walker, O. C. (2003). Marketing strategy: A decision-focused approach (4th ed.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)
Walker, Orville C. Marketing Strategy: A Decision-focused Approach. 4th ed. Boston: McGraw-Hill/Irwin, 2003.
Lua MLA (9ú heag.)
Walker, Orville C. Marketing Strategy: A Decision-focused Approach. 4th ed. McGraw-Hill/Irwin, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.