Não informado. (1940). American Journal of Physics. American Institute of Physics.
Chicagoスタイル(17版)引用形式Não informado. American Journal of Physics. New York: American Institute of Physics, 1940.
MLA(8版)引用形式Não informado. American Journal of Physics. American Institute of Physics, 1940.
警告: この引用は必ずしも正確ではありません.