Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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