Παραπομπή APA

Dewan, J. (1996). Purchasing and materials management. Discovery publishing house.

Παραπομπή Chicago Style

Dewan, J.M. Purchasing and Materials Management. New Delhi: Discovery publishing house, 1996.

Παραπομπή MLA

Dewan, J.M. Purchasing and Materials Management. Discovery publishing house, 1996.