Não informado. (2009). Proceedings of the American Transit Engineering Association. American Transit Engineering Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the American Transit Engineering Association. New York: American Transit Engineering Association, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the American Transit Engineering Association. American Transit Engineering Association, 2009.
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