Παραπομπή σε μορφή APA (7η εκδ.)

United States. General Accounting Office. (1997). Transportation infrastructure: States' implementation of transportation management systems : report to congressional committees. The Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United States. General Accounting Office. Transportation Infrastructure: States' Implementation of Transportation Management Systems : Report to Congressional Committees. Washington, D.C.: The Office, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

United States. General Accounting Office. Transportation Infrastructure: States' Implementation of Transportation Management Systems : Report to Congressional Committees. The Office, 1997.