Não informado. (1976). Journal of Vocational Education Research. American Vocational Education Research Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Vocational Education Research. Madison, Wis: American Vocational Education Research Association, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Vocational Education Research. American Vocational Education Research Association, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.