Dyfyniad APA
Sollish, F., & Semanik, J. (2012). The procurement and supply manager's desk reference (2nd ed.). Wiley.
Dyfyniad Arddull Chicago
Sollish, Fred, and John Semanik. The Procurement and Supply Manager's Desk Reference. 2nd ed. Hoboken, N.J.: Wiley, 2012.
Dyfyniad MLA
Sollish, Fred, and John Semanik. The Procurement and Supply Manager's Desk Reference. 2nd ed. Wiley, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.