Walker, M. (2000). History of motorcycles. Hamlyn ; Distributed in the United States by Sterling Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Mick. History of Motorcycles. London : New York: Hamlyn ; Distributed in the United States by Sterling Pub. Co., 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Mick. History of Motorcycles. Hamlyn ; Distributed in the United States by Sterling Pub. Co., 2000.
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