(2001). ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill.
Chicagoスタイル(17版)引用形式ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.
MLA(8版)引用形式ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.
警告: この引用は必ずしも正確ではありません.