APA

Tewfik A. H., Mohamed A. S. & Tewfik M. S. (2008). The Friend and the Rock. Cairo: Safeer.

Chicago

Tewfik Abdel Hamid, Mohamed Ahmed Samir and Tewfik Mohamed Saeed. 2008. The Friend and the Rock. Cairo: Safeer.

Harvard

Tewfik A. H., Mohamed A. S. and Tewfik M. S. (2008). The Friend and the Rock. Cairo: Safeer.

MLA

Tewfik Abdel Hamid, Mohamed Ahmed Samir and Tewfik Mohamed Saeed. The Friend and the Rock. Cairo: Safeer. 2008.