(2001). ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill.
Chicago Style (17th ed.) CitationENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.
MLA引文ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.
警告:這些引文格式不一定是100%准確.