Não informado. (1974). Engineering index energy abstracts. Engineering Index.
Chicagoスタイル(17版)引用形式Não informado. Engineering Index Energy Abstracts. New York: Engineering Index, 1974.
MLA(8版)引用形式Não informado. Engineering Index Energy Abstracts. Engineering Index, 1974.
警告: この引用は必ずしも正確ではありません.