Garber Nicholas J., H. (2015). Traffic & Highway Engineering (1st.). Cengage Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGarber Nicholas J., Hoel. Traffic & Highway Engineering. 1st. New Delhi: Cengage Publication, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGarber Nicholas J., Hoel. Traffic & Highway Engineering. 1st. Cengage Publication, 2015.
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