Não informado. (1974). Monthly Energy Review. U.S. Energy Information Administration.
Chicagoスタイル(17版)引用形式Não informado. Monthly Energy Review. Washington: U.S. Energy Information Administration, 1974.
MLA(8版)引用形式Não informado. Monthly Energy Review. U.S. Energy Information Administration, 1974.
警告: この引用は必ずしも正確ではありません.