Nelson, Paul Edward
Confidence in public speaking
Wm. C. Brown Publishers, 1984
Buku Teks
Public speaking: 10 ways to deliver your message with confidence
Glencoe, 2003
Buku Teks
Keraf, Gorys, author
Argumentasi dan narasi : komposisi lanjutan III
Gramedia, 1994
Buku Teks
Bormann, Ernest G., author
Retorika
Erlangga, 1991
Buku Teks
Dori Wuwur Hendrikus
Retorika
Kanisius, 1991
Buku Teks