(1971). Children and the environment: Lucy Sprague Mitchell Memorial Conference. Bank Street College of Education.
Chicago-Zitierstil (17. Ausg.)Children and the Environment: Lucy Sprague Mitchell Memorial Conference. New York: Bank Street College of Education, 1971.
MLA-Zitierstil (9. Ausg.)Children and the Environment: Lucy Sprague Mitchell Memorial Conference. Bank Street College of Education, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.