Brown, H. D. (1987). Principles of language learning and teaching. Englewood Cliffs, N.J: Prentice-Hall.
Chicago Style aipamenaBrown, H. Douglas. Principles of Language Learning and Teaching. Englewood Cliffs, N.J: Prentice-Hall, 1987.
MLA aipamenaBrown, H. Douglas. Principles of Language Learning and Teaching. Englewood Cliffs, N.J: Prentice-Hall, 1987.
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