Não informado. (1978). The Journal for Vocational Special Needs Education. National Association of Vocational Education Special Needs Personnel.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Journal for Vocational Special Needs Education. Denton, Tex: National Association of Vocational Education Special Needs Personnel, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Journal for Vocational Special Needs Education. National Association of Vocational Education Special Needs Personnel, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.