Louison, C. (2011). The impossible: Rodney Mullen, Ryan Sheckler, and the fantastic history of skateboarding. Lyons Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLouison, Cole. The Impossible: Rodney Mullen, Ryan Sheckler, and the Fantastic History of Skateboarding. Guilford, CT: Lyons Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLouison, Cole. The Impossible: Rodney Mullen, Ryan Sheckler, and the Fantastic History of Skateboarding. Lyons Press, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.