Trích dẫn APA

Mann, M., & Knowles, S. T. (2003). Skills for first certificate: Listening and speaking. [s.l.]: Macmillan Academic Skills.

Trích dẫn theo kiểu Chicago

Mann, Malcolm, and Steve Taylore Knowles. Skills for First Certificate: Listening and Speaking. [s.l.]: Macmillan Academic Skills, 2003.

Trích dẫn MLA

Mann, Malcolm, and Steve Taylore Knowles. Skills for First Certificate: Listening and Speaking. [s.l.]: Macmillan Academic Skills, 2003.

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