APA

Bland S. K. ت., .Grammar Sense 2. New York:Oxford University Press,2004: .

Chicago

Bland Susan Kesner تأليف, .Grammar Sense 2. New York:Oxford University Press,2004: .

Harvard

Bland S. K. ت., .Grammar Sense 2. New York:Oxford University Press,2004: .

MLA

Bland Susan Kesner تأليف, .New York:Oxford University Press,2004: . .