APA

Swan M. ت., .Grammar:Oxford Introdution To Language Study. New York:Oxford University Press,2008: .

Chicago

Swan Michael تأليف, .Grammar:Oxford Introdution To Language Study. New York:Oxford University Press,2008: .

Harvard

Swan M. ت., .Grammar:Oxford Introdution To Language Study. New York:Oxford University Press,2008: .

MLA

Swan Michael تأليف, .New York:Oxford University Press,2008: . .