Citace podle APA (7th ed.)

Lord, T. R., & Travis, H. J. (2011). Schoolyard science: 101 easy and inexpensive activities. National Science Teachers Association.

Citace podle Chicago (17th ed.)

Lord, Thomas R., a Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. Arlington, Va.: National Science Teachers Association, 2011.

Citace podle MLA (9th ed.)

Lord, Thomas R., a Holly J. Travis. Schoolyard Science: 101 Easy and Inexpensive Activities. National Science Teachers Association, 2011.

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