Barnett, J. E., & Johnson, B. W. (2015). Ethics desk reference for counselors (Second edition.). American Counseling Association.
Chicago-viite (17. p.)Barnett, Jeffrey E., ja Brad W. Johnson. Ethics Desk Reference for Counselors. Second edition. Alexandria, Virginia: American Counseling Association, 2015.
MLA-viite (9. p.)Barnett, Jeffrey E., ja Brad W. Johnson. Ethics Desk Reference for Counselors. Second edition. American Counseling Association, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.