APA citiranje

Hahner, J. C. (2004). Speaking clearly: Improving voice and diction. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Hahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. Boston: McGraw-Hill, 2004.

MLA citiranje

Hahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. Boston: McGraw-Hill, 2004.

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