Não informado. (1891). Electrical news and engineering. Southam Business Publications.
Chicagoスタイル(17版)引用形式Não informado. Electrical News and Engineering. Toronto, Canada: Southam Business Publications, 1891.
MLA(8版)引用形式Não informado. Electrical News and Engineering. Southam Business Publications, 1891.
警告: この引用は必ずしも正確ではありません.