(1963). Theory and practice in English as a foreign language. Research Club in Language Learning.
Chicago-Zitierstil (17. Ausg.)Theory and Practice in English as a Foreign Language. Ann Arbor, Mich: Research Club in Language Learning, 1963.
MLA-Zitierstil (9. Ausg.)Theory and Practice in English as a Foreign Language. Research Club in Language Learning, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.