APA

تأليف Yule G., .Oxford Practice Grammar With Answers:Advanced. New York:Oxford University Press,2006: .

Chicago

تأليف Yule George, .Oxford Practice Grammar With Answers:Advanced. New York:Oxford University Press,2006: .

Harvard

تأليف Yule G., .Oxford Practice Grammar With Answers:Advanced. New York:Oxford University Press,2006: .

MLA

تأليف Yule George, .New York:Oxford University Press,2006: . .