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