Não informado. (1978). McGraw-Hills Construction Contracting. McGraw-Hill.
Chicagoスタイル(17版)引用形式Não informado. McGraw-Hills Construction Contracting. New York: McGraw-Hill, 1978.
MLA(8版)引用形式Não informado. McGraw-Hills Construction Contracting. McGraw-Hill, 1978.
警告: この引用は必ずしも正確ではありません.