Hahn,Milton E.
Counseling psychology / Milton E. Hahn, Malcom S. Maclean.
McGraw-Hill Book Co., 1955
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Journal of counseling psychology
American Psychological Association, 2018
 Majalah, Jurnal, Buletin
Handbook of counselling in organizations
Sage, 2001
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Tschudin, Verena
Counselling skills for nurses
Bailliere Tindall , 1995
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The handbook of counselling children & young people
Maggie Robson; Sue Pattison, editor
Sage, 2018
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