Não informado. (1922). American highways. American Association of Highway Officials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Highways. Washington: American Association of Highway Officials, 1922.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Highways. American Association of Highway Officials, 1922.
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