Phillips, G. (1979). Accuracy of annual traffic flow estimates from short period counts. Transport and Road Research Laboratory.
Chicago-referens (17:e uppl.)Phillips, Garwyn. Accuracy of Annual Traffic Flow Estimates from Short Period Counts. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1979.
MLA-referens (9:e uppl.)Phillips, Garwyn. Accuracy of Annual Traffic Flow Estimates from Short Period Counts. Transport and Road Research Laboratory, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.