Friel, J. (2016). The triathlete's training bible: The world's most comprehensive training guide (Fourth edition.). VeloPress.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriel, Joe. The Triathlete's Training Bible: The World's Most Comprehensive Training Guide. Fourth edition. Boulder, Colorado: VeloPress, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFriel, Joe. The Triathlete's Training Bible: The World's Most Comprehensive Training Guide. Fourth edition. VeloPress, 2016.
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