APA استشهاد

Dobler, D. W., & Burton, D. M. Purchasing and supplying of Management (VI.).

استشهاد بنمط شيكاغو

Dobler, Donald W., و David M. Burton. Purchasing and Supplying of Management. VI. :.

MLA استشهاد

Dobler, Donald W., و David M. Burton. Purchasing and Supplying of Management. VI.