APA (7th ed.) Zitazioa

Institute of Transportation Engineers. (1995). Improving traffic signal operations. Institute of Transportation Engineers.

Chicago Style (17th ed.) Zitazioa

Institute of Transportation Engineers. Improving Traffic Signal Operations. Washington, D.C: Institute of Transportation Engineers, 1995.

MLA (9th ed.) Zitazioa

Institute of Transportation Engineers. Improving Traffic Signal Operations. Institute of Transportation Engineers, 1995.