Gethin, K. (2011). Body by design: The complete 12-week plan to transform your body forever (1st Touchstone hardcover ed.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGethin, Kris. Body by Design: The Complete 12-week Plan to Transform Your Body Forever. 1st Touchstone hardcover ed. New York: Simon & Schuster, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGethin, Kris. Body by Design: The Complete 12-week Plan to Transform Your Body Forever. 1st Touchstone hardcover ed. Simon & Schuster, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.