Não informado. (1976). Journal of Classroom Interaction. American University, School of Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Classroom Interaction. Washington: American University, School of Education, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Classroom Interaction. American University, School of Education, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.