Não informado. (1997). Professional School Counseling. American School Counselor Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Professional School Counseling. Alexandria, Va: American School Counselor Association, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Professional School Counseling. American School Counselor Association, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.