Dyfyniad APA

Nelson, J. (2017). The voice exercise book: A guide to healthy and effective voice use. National Theatre Publishing.

Dyfyniad Arddull Chicago

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. London: National Theatre Publishing, 2017.

Dyfyniad MLA

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. National Theatre Publishing, 2017.

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