Lua APA (7ú heag.)

Ferrell, O. (2005). Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western.

Lua i Stíl Chicago (17ú heag.)

Ferrell, O.C. Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western, 2005.

Lua MLA (8ú heag.)

Ferrell, O.C. Marketing StrategyO.C. Ferrell and Michael D. Hartline. Thomson South-Western, 2005.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.