APA استشهاد

Sherif, A. (1988). Design of machine elements. Dhanpat Rai.

استشهاد بنمط شيكاغو

Sherif, Abdulla. Design of Machine Elements. Delhi: Dhanpat Rai, 1988.

MLA استشهاد

Sherif, Abdulla. Design of Machine Elements. Dhanpat Rai, 1988.