APA Citation

(1991). Cambridge proficiency examination practice 4 (Teacher's book). Cambridge, UK: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

Cambridge Proficiency Examination Practice 4 (Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1991.

MLA Citation

Cambridge Proficiency Examination Practice 4 (Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1991.

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