Allen, V. F. (1983). Techniques in teaching vocabulary. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Allen, Virginia French. Techniques in Teaching Vocabulary. New York, N.Y.: Oxford University Press, 1983.
Lua MLA (8ú heag.)Allen, Virginia French. Techniques in Teaching Vocabulary. Oxford University Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.