Não informado. Transport policy and decision making. Martinus Nijhoff Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Transport Policy and Decision Making. The Hague, Holanda: Martinus Nijhoff Publishers.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Transport Policy and Decision Making. Martinus Nijhoff Publishers.
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