Board, 1. H. R. (1959). Trip generation and urban freeway planning. Washington DC: Highway Research Board.
Chicago (17e ed.) BronvermeldingBoard, 130 Highway Research. Trip Generation and Urban Freeway Planning. Washington DC: Highway Research Board, 1959.
MLA (9e ed.) BronvermeldingBoard, 130 Highway Research. Trip Generation and Urban Freeway Planning. Washington DC: Highway Research Board, 1959.
Let op: Deze citaties zijn niet altijd 100% accuraat.