APA-viite (7. p.)
Wilkins, P. (1997). Personal and professional development for counsellors. Sage.
Chicago-viite (17. p.)
Wilkins, Paul. Personal and Professional Development for Counsellors. London: Sage, 1997.
MLA-viite (9. p.)
Wilkins, Paul. Personal and Professional Development for Counsellors. Sage, 1997.
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