APA-viite (7. p.)
Campbell, L. F. (2010). APA ethics code commentary and case illustrations. American Psychological Association.
Chicago-viite (17. p.)
Campbell, Linda Frye. APA Ethics Code Commentary and Case Illustrations. Washington, DC: American Psychological Association, 2010.
MLA-viite (9. p.)
Campbell, Linda Frye. APA Ethics Code Commentary and Case Illustrations. American Psychological Association, 2010.
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