Ripken, C., Jr., & Wolff, R. (2006). Parenting young athletes the Ripken way: Ensuring the best experience for your kids in any sport. Gotham Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRipken, Cal, Jr., और Rick Wolff. Parenting Young Athletes the Ripken Way: Ensuring the Best Experience for Your Kids in Any Sport. New York: Gotham Books, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRipken, Cal, Jr., और Rick Wolff. Parenting Young Athletes the Ripken Way: Ensuring the Best Experience for Your Kids in Any Sport. Gotham Books, 2006.
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