VanderMey, Randal
The college writer brief: a guide to thinking writing and researching
Wadsworth and Cengage Learning, 2012
 Buku Teks
Jenkins, Sue
The researching therapist : a practical guide to planning, performing and communicating research
Churchill Livingstone, 1998
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Ward, Tara
The Healing Handbook: A spiritual guide to healing yourself and others
Arcturus Publishing Ltd, 2008
 Buku Teks
Sokol, Daniel K.
Doing clinical ethics: a hands-on guide for clinicians and others
Springer, 2012
 eBooks
Loughary, John W.
Helping others help themselves a guide to connseling skills
McGraw-Hill, 1979
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