HEWES, L. I., & HEWES, L. I. (1977). Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHEWES, Laurence I., और Laurence I. HEWES. Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHEWES, Laurence I., और Laurence I. HEWES. Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons, 1977.
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