Treece, Malra, author
Communication for business and the professions
Allyn and Bacon, 1989
 Buku Teks
Orey, Maureen, author
Communication skills training
American Society for Training and Development Press;, 2004
 eBooks
Plattner, Francis B., author
Improve your communication and speaking skills
American Society for Training and Development Press, 1997
 eBooks
Ellingsworth, Huber W., author
Speech and social action : a strategy of oral communication
Prentice-Hall, 1967
 Buku Teks
Dunckel, Jacqueline, author
Guide to effective business speaking: making presentation, using audio-visuals and dealing with the media / Jacqueline Dunckel, Elizabeth Parnham
Self-Counsel, 1984
 Koleksi Publik
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