Παραπομπή APA

Youssef, H., & El-Hofy ,Hassan. (2008). Machining technology: Machine tools and operations. CRC Press.

Παραπομπή Chicago Style

Youssef, Helmi.A, και El-Hofy ,Hassan. Machining Technology: Machine Tools and Operations. Boca Raton: CRC Press, 2008.

Παραπομπή MLA

Youssef, Helmi.A, και El-Hofy ,Hassan. Machining Technology: Machine Tools and Operations. CRC Press, 2008.