Dunfee, M. (1967). Elementary school science: A guide to current research. Association for Supervision and Curriculum Development.
Chicago-Zitierstil (17. Ausg.)Dunfee, Maxine. Elementary School Science: A Guide to Current Research. Washington: Association for Supervision and Curriculum Development, 1967.
MLA-Zitierstil (9. Ausg.)Dunfee, Maxine. Elementary School Science: A Guide to Current Research. Association for Supervision and Curriculum Development, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.