Παραπομπή σε μορφή APA (7η εκδ.)

National Association of Purchasing Management. (2000). The purchasing handbook: A guide for the purchasing and supply professional (6th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Association of Purchasing Management. The Purchasing Handbook: A Guide for the Purchasing and Supply Professional. 6th ed. McGraw-Hill, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Association of Purchasing Management. The Purchasing Handbook: A Guide for the Purchasing and Supply Professional. 6th ed. McGraw-Hill, 2000.