APA استشهاد

Youssef, H. A., & El-Hofy, H. (2008). Machining technology (Indian Edition.). CRC Press.

استشهاد بنمط شيكاغو

Youssef, Helmi A., و Hassan El-Hofy. Machining Technology. Indian Edition. Boca Raton: CRC Press, 2008.

MLA استشهاد

Youssef, Helmi A., و Hassan El-Hofy. Machining Technology. Indian Edition. CRC Press, 2008.