Dyfyniad APA
Johnson, F. P., & Flynn, A. E. (2015). Purchasing and supply management (15th ed.). McGraw-Hill Education.
Dyfyniad Arddull Chicago
Johnson, Fraser P., and Anna E. Flynn. Purchasing and Supply Management. 15th ed. New York, NY: McGraw-Hill Education, 2015.
Dyfyniad MLA
Johnson, Fraser P., and Anna E. Flynn. Purchasing and Supply Management. 15th ed. McGraw-Hill Education, 2015.
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