Cita APA (7a ed.)
Sollish, F., & Semanik, J. (2005). The purchasing and supply manager's guide to the C.P.M. exam. Harbor Light Press.
Cita Chicago Style (17a ed.)
Sollish, Fred, y John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. San Francisco: Harbor Light Press, 2005.
Cita MLA (9a ed.)
Sollish, Fred, y John Semanik. The Purchasing and Supply Manager's Guide to the C.P.M. Exam. Harbor Light Press, 2005.
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