APA استشهاد

Dobler, D. (1999). Purchasing and supply management/6e (6th ed.). T.M.H.

استشهاد بنمط شيكاغو

Dobler, Donald.W. Purchasing and Supply Management/6e. 6th ed. New Delhi: T.M.H, 1999.

MLA استشهاد

Dobler, Donald.W. Purchasing and Supply Management/6e. 6th ed. T.M.H, 1999.