Hock, R. (2009). The perfect edge: The ultimate guide to sharpening for woodworkers. Popular Woodworking Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHock, Ron. The Perfect Edge: The Ultimate Guide to Sharpening for Woodworkers. Cincinnati, OH: Popular Woodworking Books, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHock, Ron. The Perfect Edge: The Ultimate Guide to Sharpening for Woodworkers. Popular Woodworking Books, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.