India Ministry of Shipping & Transport Transport Research Devision. (1974). Basic road statistics: 1971-72. Transport Research Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia Ministry of Shipping & Transport Transport Research Devision. Basic Road Statistics: 1971-72. Transport Research Division, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia Ministry of Shipping & Transport Transport Research Devision. Basic Road Statistics: 1971-72. Transport Research Division, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.