Não informado. (1997). Professional School Counseling. American School Counselor Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Professional School Counseling. Alexandria, Va: American School Counselor Association, 1997.
MLA-Zitierstil (8. Ausg.)Não informado. Professional School Counseling. American School Counselor Association, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.