(1984). A Policy On Geometric Design Of Highways And Streets 1984 American Association Of State Highway And Transportation Officials. AASHTO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रA Policy On Geometric Design Of Highways And Streets 1984 American Association Of State Highway And Transportation Officials. AASHTO, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रA Policy On Geometric Design Of Highways And Streets 1984 American Association Of State Highway And Transportation Officials. AASHTO, 1984.
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