APA استشهاد

Baily, P. J. H. (2018). Procurement principles and management (11th ed.). Pearson.

استشهاد بنمط شيكاغو

Baily, Peter J. H. Procurement Principles and Management. 11th ed. Noida: Pearson, 2018.

MLA استشهاد

Baily, Peter J. H. Procurement Principles and Management. 11th ed. Pearson, 2018.