Não informado. (1991). Canadian Transportation Logistics. Southam Business Communications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Transportation Logistics. Don Mills, Canada: Southam Business Communications, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Transportation Logistics. Southam Business Communications, 1991.
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