Não informado. (1949). Construction Methods and Equipment. McGraw-Hill.
Chicagoスタイル(17版)引用形式Não informado. Construction Methods and Equipment. New York: McGraw-Hill, 1949.
MLA(8版)引用形式Não informado. Construction Methods and Equipment. McGraw-Hill, 1949.
警告: この引用は必ずしも正確ではありません.