Gardiner, P. F., Baker, R. T., & Lucas, C. F. (1986). Fuel consumption at roundabouts. Transport and Road Research Laboratory.
Citazione stile Chigago Style (17a edizione)Gardiner, P. F., R. T. Baker, e C. F. Lucas. Fuel Consumption at Roundabouts. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1986.
Citatione MLA (9a ed.)Gardiner, P. F., et al. Fuel Consumption at Roundabouts. Transport and Road Research Laboratory, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.