Total Immersion, Inc, & Laughlin, T. (2008). Easy freestyle: 21st century techniques for beginners to advanced swimmers. Total Immersion.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTotal Immersion, Inc, और Terry Laughlin. Easy Freestyle: 21st Century Techniques for Beginners to Advanced Swimmers. New Paltz, NY: Total Immersion, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTotal Immersion, Inc, और Terry Laughlin. Easy Freestyle: 21st Century Techniques for Beginners to Advanced Swimmers. Total Immersion, 2008.
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