India Ministry of Shipping & Transport Transport Research Division. (1971). Review of public sector road transport: 1969-70. Transport Research Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia Ministry of Shipping & Transport Transport Research Division. Review of Public Sector Road Transport: 1969-70. Transport Research Division, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia Ministry of Shipping & Transport Transport Research Division. Review of Public Sector Road Transport: 1969-70. Transport Research Division, 1971.
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