Guirdham, Maureen
Interpersonal skills at work
Prentice-Hall, 1996
 Buku Teks
Cournoyer, Barry R.
The social work skills workbook
Brooks/Cole Cengage Learning, 2011
 Buku Teks
Holt, Katherine E.
Innovation at work: business skills
[;American Society for Training & Development Press, American Society for Training & Development Press], 2003
 eBooks
Frightful neighbourhood
 Artikel Jurnal
Koprowska, Juliet
Communication and interpersonal skills in social work
Learning Matters, 2007
 Buku Teks