APA
Transport and Road Research Laboratory. Leaflet no 780, . (1979). Speed/flow formulae for rural motorways and all-purpose dual carriageways, 1977. Crowthorne: Transport and Road Research Laboratory. Leaflet no 780.
Chicago
Transport and Road Research Laboratory. Leaflet no 780, . 1979. Speed/flow formulae for rural motorways and all-purpose dual carriageways, 1977. Crowthorne: Transport and Road Research Laboratory. Leaflet no 780.
Harvard
Transport and Road Research Laboratory. Leaflet no 780, . (1979). Speed/flow formulae for rural motorways and all-purpose dual carriageways, 1977. Crowthorne: Transport and Road Research Laboratory. Leaflet no 780.
MLA
Transport and Road Research Laboratory. Leaflet no 780, . Speed/flow formulae for rural motorways and all-purpose dual carriageways, 1977. Crowthorne: Transport and Road Research Laboratory. Leaflet no 780. 1979.