Não informado. (1961). Counselor Education and Supervision. American Association for Counseling and Development.
Chicago-Zitierstil (17. Ausg.)Não informado. Counselor Education and Supervision. Alexandria, Va: American Association for Counseling and Development, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Counselor Education and Supervision. American Association for Counseling and Development, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.