APA

تاليف Hamp-Lyons L. B. H., .Study Writing :A Course in writing skills for academic purposes. New York:Cambridge University Press,2007: .

Chicago

تاليف Hamp-Lyons Liz;م.مشارك Ben Heasley, .Study Writing :A Course in writing skills for academic purposes. New York:Cambridge University Press,2007: .

Harvard

تاليف Hamp-Lyons L. B. H., .Study Writing :A Course in writing skills for academic purposes. New York:Cambridge University Press,2007: .

MLA

تاليف Hamp-Lyons Liz;م.مشارك Ben Heasley, .New York:Cambridge University Press,2007: . .