Não informado. (1978). Energy resources and technology. Business Publishers.
Chicagoスタイル(17版)引用形式Não informado. Energy Resources and Technology. Silver Spring, Md: Business Publishers, 1978.
MLA(8版)引用形式Não informado. Energy Resources and Technology. Business Publishers, 1978.
警告: この引用は必ずしも正確ではありません.