Não informado. (1968). Language Teaching Abstracts. Cambridge University Press.
Chicagoスタイル(17版)引用形式Não informado. Language Teaching Abstracts. London: Cambridge University Press, 1968.
MLA(8版)引用形式Não informado. Language Teaching Abstracts. Cambridge University Press, 1968.
警告: この引用は必ずしも正確ではありません.