Cita APA (7a ed.)

(2001). ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill.

Cita Chicago Style (17a ed.)

ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.

Cita MLA (8a ed.)

ENR [Engineering News Record]The TOP 400 Contractors Sourcebook 2001. McGraw-Hill, 2001.