APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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