Não informado. (1933). American Physics Teacher. American Association of Physics Teachers.
Chicagoスタイル(17版)引用形式Não informado. American Physics Teacher. New York: American Association of Physics Teachers, 1933.
MLA(8版)引用形式Não informado. American Physics Teacher. American Association of Physics Teachers, 1933.
警告: この引用は必ずしも正確ではありません.