Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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