Dyfyniad APA
Sollish, F., & Semanik, J. (2005). The purchasing and supply manager's guide to the C.P.M. exam. Harbor Light Press.
Dyfyniad Arddull Chicago
Sollish, Fred, and John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. San Francisco: Harbor Light Press, 2005.
Dyfyniad MLA
Sollish, Fred, and John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. Harbor Light Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.