Sandford, William Phillips
Effective business speech
McGraw-Hill, 1960
 Buku Teks
Ellingsworth, Huber W.
Speech and social action : a strategy of oral communication
Prentice-Hall, 1967
 Buku Teks
Stevens, Leonard A.
The ill-Spoken word: the decline of speech in America / Leonard A. Stevens
McGraw-Hill, 1966
 Buku Teks
Dean, John J.
Effective speaking here's how / John J. Dean
Boolarong Publications, 1987
 Buku Teks
Jenings, Judy
Communication basics
[American Society for Training and Development Press;, ], 2004
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