APA(7版)引用形式

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

Chicagoスタイル(17版)引用形式

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

MLA(8版)引用形式

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

警告: この引用は必ずしも正確ではありません.