Dyfyniad APA

(2006). Purchasing and supply management: With 50 supply chain cases. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Purchasing and Supply Management: With 50 Supply Chain Cases. New York: McGraw-Hill, 2006.

Dyfyniad MLA

Purchasing and Supply Management: With 50 Supply Chain Cases. New York: McGraw-Hill, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.