Institute of Transportation Engineers. (1995). Improving traffic signal operations. Institute of Transportation Engineers.
Citação norma ChicagoInstitute of Transportation Engineers. Improving Traffic Signal Operations. Washington, D.C: Institute of Transportation Engineers, 1995.
Citação norma MLAInstitute of Transportation Engineers. Improving Traffic Signal Operations. Institute of Transportation Engineers, 1995.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.