COOPER S W. (1990). SUCCESSFUL MARKETING PLAN: A DISCIPLINED & COMPREHENSIVE APPROACH. NTC BUSINESS BOOKS.
Lua i Stíl Chicago (17ú heag.)COOPER S W. SUCCESSFUL MARKETING PLAN: A DISCIPLINED & COMPREHENSIVE APPROACH. U S A: NTC BUSINESS BOOKS, 1990.
Lua MLA (9ú heag.)COOPER S W. SUCCESSFUL MARKETING PLAN: A DISCIPLINED & COMPREHENSIVE APPROACH. NTC BUSINESS BOOKS, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.