Dyfyniad APA

Watkins, D. E. Effective Speech: Including Public Speaking, Mental Training and the Development of Personality. Psychology Publishing Co. Ltd.

Dyfyniad Arddull Chicago

Watkins, Dwight E. Effective Speech: Including Public Speaking, Mental Training and the Development of Personality. Cheshire: Psychology Publishing Co. Ltd.

Dyfyniad MLA

Watkins, Dwight E. Effective Speech: Including Public Speaking, Mental Training and the Development of Personality. Psychology Publishing Co. Ltd.

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