Não informado. (1928). Instruments: The magazine of measurement and control. Instruments Publishing.
Chicagoスタイル(17版)引用形式Não informado. Instruments: The Magazine of Measurement and Control. Pontiac, Ill: Instruments Publishing, 1928.
MLA(8版)引用形式Não informado. Instruments: The Magazine of Measurement and Control. Instruments Publishing, 1928.
警告: この引用は必ずしも正確ではありません.