Raines, Claire
The art of connecting: how to overcome differences, build rapport, and communicate effectively with anyone
American Management Association, 2006
 eBooks
Iacone, Salvatore J.
Write to the point: how to communicate in businesswith style and purpose
Carrer Press, 2003
 Buku Teks
Simmons, Annette
Whoever tells the best story wins: how to use your own stories to communicate with power and impact
American Management Association, 2007
 eBooks
Dobson, Ann
Glorier business library : how to communicate at work
Glorier International Inc., 1999
 Buku Referensi
McMillan, Sandy
How to be better communicator (menjadi pembicara efektif)
Elex Media komputindo, 2001
 Buku Teks SO