APA

mattlabi، aziiz, shedifat، omar, . (2010). Writing. cairo: united arab company.

Chicago

mattlabi، aziiz, shedifat، omar, . 2010. Writing. cairo: united arab company.

Harvard

mattlabi، aziiz, shedifat، omar, . (2010). Writing. cairo: united arab company.

MLA

mattlabi، aziiz, shedifat، omar, . Writing. cairo: united arab company. 2010.