Não informado. (1981). Energy progress. American Institute of Chemical Engineers.
Chicagoスタイル(17版)引用形式Não informado. Energy Progress. New York: American Institute of Chemical Engineers, 1981.
MLA(8版)引用形式Não informado. Energy Progress. American Institute of Chemical Engineers, 1981.
警告: この引用は必ずしも正確ではありません.