401638 Prendergast, L. S., Williams, R. D., & Britain), T. a. R. R. L. (. (1980). An empirical investigation into the determinants of travel time. Crowthorne, Berkshire : Transport and Road Research Laboratory.
Chicago-čujuhus (17. p.)401638 Prendergast, L. S., R. D. Williams, juo Transport and Road Research Laboratory (Great Britain). An Empirical Investigation into the Determinants of Travel Time. Crowthorne, Berkshire : Transport and Road Research Laboratory, 1980.
MLA-čujuhus (9. p.)401638 Prendergast, L. S., et al. An Empirical Investigation into the Determinants of Travel Time. Crowthorne, Berkshire : Transport and Road Research Laboratory, 1980.
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