Manin, G. J. (2004). English knowhow: Workbook 3. New York: Oxford University Press.
Chicago Style aipamenaManin, Gregory J. English Knowhow: Workbook 3. New York: Oxford University Press, 2004.
MLA aipamenaManin, Gregory J. English Knowhow: Workbook 3. New York: Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.