APA aipamena

(2008). Procurement principles and management. Harlow, England: Prentice Hall Financial Times.

Chicago Style aipamena

Procurement Principles and Management. Harlow, England: Prentice Hall Financial Times, 2008.

MLA aipamena

Procurement Principles and Management. Harlow, England: Prentice Hall Financial Times, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.