American Psychological Association & Wrenn, C. G. Journal of counseling psychology. American Psychological Association.
Chicago-viite (17. p.)American Psychological Association ja C. Gilbert Wrenn. Journal of Counseling Psychology. [Arlington, VA, etc.]: American Psychological Association.
MLA-viite (9. p.)American Psychological Association ja C. Gilbert Wrenn. Journal of Counseling Psychology. American Psychological Association.
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