Swan, M. (1987). The Cambridge English course 3: Student's book. Cambridge: Cambridge University Press.
Chicago Style aipamenaSwan, Michael. The Cambridge English Course 3: Student's Book. Cambridge: Cambridge University Press, 1987.
MLA aipamenaSwan, Michael. The Cambridge English Course 3: Student's Book. Cambridge: Cambridge University Press, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.