References
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- Partridge , Eric . 1940 . A Dictionary of Cachés 2
- Criswell , E. H. 1941 . American Speech , XVI : 130
- Brigance , William N. 1932 . The Spoken Word, A Textbook of Speech Composition 219
- Monroe , Alan H. 1939 . Principles and Types of Speech , Rev. ed. 120 – 121 .
- Ewbank , H. L. and Auer , J. Jeffery . 1941 . Discussion and Debate, Tools of a Democracy 270
- Eden , Anthony . 1939 . Foreign Affairs London