Tohutoro APA (7th ed.)
Lord, T. R., & Travis, H. J. (2011). Schoolyard science: 101 easy and inexpensive activities. National Science Teachers Association.
Tohutoru Kātū Chicago (17th ed.)
Lord, Thomas R., me Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. Arlington, Va.: National Science Teachers Association, 2011.
Tohutoro MLA (9th ed.)
Lord, Thomas R., me Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. National Science Teachers Association, 2011.
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