Παραπομπή APA

Sollish, F., & Semanik, J. (2012). Procurement and supply managers desk reference (2nd ed.). John Wiley.

Παραπομπή Chicago Style

Sollish, Fred, και John Semanik. Procurement and Supply Managers Desk Reference. 2nd ed. New Jersey: John Wiley, 2012.

Παραπομπή MLA

Sollish, Fred, και John Semanik. Procurement and Supply Managers Desk Reference. 2nd ed. John Wiley, 2012.