APA
Omara S., .Elias essential book for learners for English. Cairo: Elias modern Publishing House.
Chicago
Omara Salma, .Elias essential book for learners for English. Cairo: Elias modern Publishing House.
Harvard
Omara S., .Elias essential book for learners for English. Cairo: Elias modern Publishing House.
MLA
Omara Salma, .Cairo: Elias modern Publishing House. .