Dyfyniad APA
Dobler, D. W., & Burt, D. N. (1996). Purchasing and supply management: Text and cases (6th ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Dobler, Donald W., and David N. Burt. Purchasing and Supply Management: Text and Cases. 6th ed. New Delhi: Tata McGraw-Hill, 1996.
Dyfyniad MLA
Dobler, Donald W., and David N. Burt. Purchasing and Supply Management: Text and Cases. 6th ed. Tata McGraw-Hill, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.