Não informado. (1947). Electrical Construction and Maintenance. McGraw-Hill.
Chicagoスタイル(17版)引用形式Não informado. Electrical Construction and Maintenance. New York: McGraw-Hill, 1947.
MLA(8版)引用形式Não informado. Electrical Construction and Maintenance. McGraw-Hill, 1947.
警告: この引用は必ずしも正確ではありません.