HIEBING ROMAN G. (2003). SUCCESSFUL MARKETING PLAN: DISCIPLINED AND COMP. APPROACH (3RD.). MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)HIEBING ROMAN G. SUCCESSFUL MARKETING PLAN: DISCIPLINED AND COMP. APPROACH. 3RD. NEW YORK: MCGRAW-HILL, 2003.
Lua MLA (9ú heag.)HIEBING ROMAN G. SUCCESSFUL MARKETING PLAN: DISCIPLINED AND COMP. APPROACH. 3RD. MCGRAW-HILL, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.