Não informado. (2011). SAE International Journal of Commercial Vehicles. Society of Automotive Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. SAE International Journal of Commercial Vehicles. Warrendale, Pa: Society of Automotive Engineers, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. SAE International Journal of Commercial Vehicles. Society of Automotive Engineers, 2011.
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