APA

Dallas D., Pelham L., . (2007). Let's Learn English. Cairo: The Egyptian International Publishing Company.

Chicago

Dallas Don, Pelham Linda, . 2007. Let's Learn English. Cairo: The Egyptian International Publishing Company.

Harvard

Dallas D., Pelham L., . (2007). Let's Learn English. Cairo: The Egyptian International Publishing Company.

MLA

Dallas Don, Pelham Linda, . Let's Learn English. Cairo: The Egyptian International Publishing Company. 2007.