Parsonson, P. S., Kay, J. L., & Tarnoff, P. J. (1980). Selection of traffic signal control and timing at individual intersections. ITE Educational Foundation.
Citazione stile Chigago Style (17a edizione)Parsonson, Peter S., Jack L. Kay, e Philip J. Tarnoff. Selection of Traffic Signal Control and Timing at Individual Intersections. Pittsburgh: ITE Educational Foundation, 1980.
Citatione MLA (9a ed.)Parsonson, Peter S., et al. Selection of Traffic Signal Control and Timing at Individual Intersections. ITE Educational Foundation, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.