Não informado. (1976). Journal of Vocational Education Research. American Vocational Education Research Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Vocational Education Research. Madison, Wis: American Vocational Education Research Association, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Vocational Education Research. American Vocational Education Research Association, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.