Willsmore AW. (1960). Buisness Budgets and budgetory control (4th ed.). Issac Pitman.
Chicago Style aipamenaWillsmore AW. Buisness Budgets and Budgetory Control. 4th ed. London: Issac Pitman, 1960.
MLA aipamenaWillsmore AW. Buisness Budgets and Budgetory Control. 4th ed. Issac Pitman, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.