APA(7版)引用形式

Não informado. (1972). Alternative sources of energy. Alternative Sources of Energy.

Chicagoスタイル(17版)引用形式

Não informado. Alternative Sources of Energy. Milaca, Minn: Alternative Sources of Energy, 1972.

MLA(8版)引用形式

Não informado. Alternative Sources of Energy. Alternative Sources of Energy, 1972.

警告: この引用は必ずしも正確ではありません.