Chapman, L. (1974). English grammar and exercises: Book one. Longman group.
Chicago Style (17. basım) AtıfChapman, L.R.H. English Grammar and Exercises: Book One. London: Longman group, 1974.
MLA (9th ed.) AtıfChapman, L.R.H. English Grammar and Exercises: Book One. Longman group, 1974.
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