Allen, E. D. (1977). Classroom techniques: Foreign languages and English as a second language. New York: Harcourt Brace Jovanovich.
Chicago-stil citatAllen, Edward David. Classroom Techniques: Foreign Languages and English As a Second Language. New York: Harcourt Brace Jovanovich, 1977.
MLA-referensAllen, Edward David. Classroom Techniques: Foreign Languages and English As a Second Language. New York: Harcourt Brace Jovanovich, 1977.
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