Não informado. (1975). Language Teaching and Linguistics Abstracts. Cambridge University Press.
Chicago-Zitierstil (17. Ausg.)Não informado. Language Teaching and Linguistics Abstracts. London: Cambridge University Press, 1975.
MLA-Zitierstil (8. Ausg.)Não informado. Language Teaching and Linguistics Abstracts. Cambridge University Press, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.