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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र401638 Prendergast, L. S., R. D. Williams, और Transport and Road Research Laboratory (Great Britain). An Empirical Investigation into the Determinants of Travel Time. Crowthorne, Berkshire : Transport and Road Research Laboratory, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्र401638 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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