PIERCY NIGEL F. (1986). MARKETING BUDGETING. CROOM HELM.
Lua i Stíl Chicago (17ú heag.)PIERCY NIGEL F. MARKETING BUDGETING. KENT: CROOM HELM, 1986.
Lua MLA (9ú heag.)PIERCY NIGEL F. MARKETING BUDGETING. CROOM HELM, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.