McKeegan, D. (2004). English knowhow. New York: Oxford University Press.
Chicago Style aipamenaMcKeegan, David. English Knowhow. New York: Oxford University Press, 2004.
MLA aipamenaMcKeegan, David. English Knowhow. New York: Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.