Gude, K. (2001). Matrix: Upper-intermediate : student's book. Oxford: Oxford University Press.
Chicago Style aipamenaGude, Kathy. Matrix: Upper-intermediate : Student's Book. Oxford: Oxford University Press, 2001.
MLA aipamenaGude, Kathy. Matrix: Upper-intermediate : Student's Book. Oxford: Oxford University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.