Παραπομπή APA

El - Sayed, A. (2008). Aircraft propulsion and gas turbine engines. CRC press.

Παραπομπή Chicago Style

El - Sayed, Ahmed. Aircraft Propulsion and Gas Turbine Engines. London: CRC press, 2008.

Παραπομπή MLA

El - Sayed, Ahmed. Aircraft Propulsion and Gas Turbine Engines. CRC press, 2008.