Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.