Frank, A. P. (2018). The Harley-Davidson story: Tales from the archives. Motorbooks, an imprint of The Quarto Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrank, Aaron P. The Harley-Davidson Story: Tales from the Archives. Minneapolis, MN: Motorbooks, an imprint of The Quarto Group, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFrank, Aaron P. The Harley-Davidson Story: Tales from the Archives. Motorbooks, an imprint of The Quarto Group, 2018.
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