Não informado. (1997). Professional School Counseling. American School Counselor Association.
Chicago-viite (17. p.)Não informado. Professional School Counseling. Alexandria, Va: American School Counselor Association, 1997.
MLA-viite (8. p.)Não informado. Professional School Counseling. American School Counselor Association, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.