Tough, P., & Miller, D. J. (2012). How children succeed: Grit, curiosity, and the hidden power of character. Tantor Media, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTough, Paul, और Dan John Miller. How Children Succeed: Grit, Curiosity, and the Hidden Power of Character. [Old Saybrook, Ct.]: Tantor Media, Inc., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTough, Paul, और Dan John Miller. How Children Succeed: Grit, Curiosity, and the Hidden Power of Character. Tantor Media, Inc., 2012.
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