GOETSCH HAL. (1993). DEVELOPING,IMPLEMENTING,& MANAGING AN EFFECTIVE MARKETING. PLAN. NTC BUSINESS BOOKS.
Lua i Stíl Chicago (17ú heag.)GOETSCH HAL. DEVELOPING,IMPLEMENTING,& MANAGING AN EFFECTIVE MARKETING. PLAN. LINCOLNWOOD ILLINOIS: NTC BUSINESS BOOKS, 1993.
Lua MLA (9ú heag.)GOETSCH HAL. DEVELOPING,IMPLEMENTING,& MANAGING AN EFFECTIVE MARKETING. PLAN. NTC BUSINESS BOOKS, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.