Miller, C. A. (2017). Getting grit: The evidence-based approach to cultivating passion, perseverance, and purpose. Sounds True.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMiller, Caroline Adams. Getting Grit: The Evidence-based Approach to Cultivating Passion, Perseverance, and Purpose. Boulder, Colorado: Sounds True, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMiller, Caroline Adams. Getting Grit: The Evidence-based Approach to Cultivating Passion, Perseverance, and Purpose. Sounds True, 2017.
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