Brookes, A., & Grundy, P. (1990). Writing for study purposes: A teacher's guide to developing individual writing skills. New York: Cambridge University Press.
Chicago Style aipamenaBrookes, Arthur., và Peter Grundy. Writing for Study Purposes: A Teacher's Guide to Developing Individual Writing Skills. New York: Cambridge University Press, 1990.
MLA aipamenaBrookes, Arthur., và Peter Grundy. Writing for Study Purposes: A Teacher's Guide to Developing Individual Writing Skills. New York: Cambridge University Press, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.