Gyenes, L. (1973). 50-point traffic census: The automatic processing of hourly flows. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Gyenes, L. 50-point Traffic Census: The Automatic Processing of Hourly Flows. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1973.
Lua MLA (9ú heag.)Gyenes, L. 50-point Traffic Census: The Automatic Processing of Hourly Flows. Transport and Road Research Laboratory, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.