Não informado. (1964). IGT GaScope. Institute of Gas Technology.
Chicagoスタイル(17版)引用形式Não informado. IGT GaScope. Chicago, Ill: Institute of Gas Technology, 1964.
MLA(8版)引用形式Não informado. IGT GaScope. Institute of Gas Technology, 1964.
警告: この引用は必ずしも正確ではありません.