Cita APA (7th ed.)
Sollish, F., & Semanik, J. (2005). The purchasing and supply manager's guide to the C.P.M. exam. Harbor Light Press.
Cita Chicago (17th ed.)
Sollish, Fred, i John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. San Francisco: Harbor Light Press, 2005.
Cita MLA (9th ed.)
Sollish, Fred, i John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. Harbor Light Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.