Não informado. School business affairs. Association of School Business Officials of the United States and Canada.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. School Business Affairs. Chicago, Ill: Association of School Business Officials of the United States and Canada.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. School Business Affairs. Association of School Business Officials of the United States and Canada.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.