Citace podle APA (7th ed.)

Não informado. (1952). Elementary school science bulletin. National Science Teachers Association.

Citace podle Chicago (17th ed.)

Não informado. Elementary School Science Bulletin. Washington: National Science Teachers Association, 1952.

Citace podle MLA (8th ed.)

Não informado. Elementary School Science Bulletin. National Science Teachers Association, 1952.

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