Levenson, E., Ellinger, D., & Rowe, M. B. (1994). Teaching children about physical science: Ideas and activities every teacher and parent can use. TAB Books.
Παραπομπή σε μορφή Chicago (17η εκδ.)Levenson, Elaine, Debra Ellinger, και Mary Budd Rowe. Teaching Children About Physical Science: Ideas and Activities Every Teacher and Parent Can Use. New York: TAB Books, 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)Levenson, Elaine, et al. Teaching Children About Physical Science: Ideas and Activities Every Teacher and Parent Can Use. TAB Books, 1994.
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