APA Citation

Underhill, A., & Adrian Underhill. (1994). Sound foundations: Learning and teaching pronunciation. Oxford: Macmillan.

Trích dẫn kiểu Chicago

Underhill, Adrian, và Adrian Underhill. Sound Foundations: Learning and Teaching Pronunciation. Oxford: Macmillan, 1994.

MLA Citation

Underhill, Adrian, và Adrian Underhill. Sound Foundations: Learning and Teaching Pronunciation. Oxford: Macmillan, 1994.

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