APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.