Brown, D. (1987). Principles of Language Learning and Teaching. Prentice - Hall.
Chicago Style (17. basım) AtıfBrown, Douglas. Principles of Language Learning and Teaching. New Jersey, Estados Unidos: Prentice - Hall, 1987.
MLA (9th ed.) AtıfBrown, Douglas. Principles of Language Learning and Teaching. Prentice - Hall, 1987.
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