Não informado. (2004). Journal of Public Transportation. University of South Florida, National Center for Transit Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Public Transportation. Tampa, Fla: University of South Florida, National Center for Transit Research, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Public Transportation. University of South Florida, National Center for Transit Research, 2004.
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