STAPLETON JOHN. (1982). HOW TO PREPARE A MARKETING PLAN (3RD.). GOWER.
Lua i Stíl Chicago (17ú heag.)STAPLETON JOHN. HOW TO PREPARE A MARKETING PLAN. 3RD. GREAT BRITAIN: GOWER, 1982.
Lua MLA (9ú heag.)STAPLETON JOHN. HOW TO PREPARE A MARKETING PLAN. 3RD. GOWER, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.