Não informado. (1997). Professional School Counseling. American School Counselor Association.
Chicago-referens (17:e uppl.)Não informado. Professional School Counseling. Alexandria, Va: American School Counselor Association, 1997.
MLA-referens (8:e uppl.)Não informado. Professional School Counseling. American School Counselor Association, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.