Allen, V. F. (1983). Techniques in teaching vocabulary. Oxford University Press.
Chicago Style aipamenaAllen, Virginia French. Techniques in Teaching Vocabulary. New York, N.Y.: Oxford University Press, 1983.
MLA aipamenaAllen, Virginia French. Techniques in Teaching Vocabulary. Oxford University Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.