Não informado. (1973). Energy resources report. Business Publishers.
Chicagoスタイル(17版)引用形式Não informado. Energy Resources Report. Silver Spring, Md: Business Publishers, 1973.
MLA(8版)引用形式Não informado. Energy Resources Report. Business Publishers, 1973.
警告: この引用は必ずしも正確ではありません.