Morgan, J., & Rinvolucri, M. (2004). Vocabulary (2nd ed.). Oxford University Press.
Chicago Style aipamenaMorgan, John, and Mario Rinvolucri. Vocabulary. 2nd ed. Oxford: Oxford University Press, 2004.
MLA aipamenaMorgan, John, and Mario Rinvolucri. Vocabulary. 2nd ed. Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.