APA (7th ed.) Zitazioa

Sollish, F., & Semanik, J. (2007). The procurement and supply manager's desk reference. John Wiley and Sons.

Chicago Style (17th ed.) Zitazioa

Sollish, Fred, eta John Semanik. The Procurement and Supply Manager's Desk Reference. Hoboken, USA: John Wiley and Sons, 2007.

MLA (9th ed.) Zitazioa

Sollish, Fred, eta John Semanik. The Procurement and Supply Manager's Desk Reference. John Wiley and Sons, 2007.