PIERCY NIGEL F. (1986). MARKETING BUDGETING. CROOM HELM.
Chicago Style aipamenaPIERCY NIGEL F. MARKETING BUDGETING. KENT: CROOM HELM, 1986.
MLA aipamenaPIERCY NIGEL F. MARKETING BUDGETING. CROOM HELM, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.