Maxwell, J. C. (2012). The 15 invaluable laws of growth: Live them and reach your potential. Hachette Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaxwell, John C. The 15 Invaluable Laws of Growth: Live Them and Reach Your Potential. [New York]: Hachette Audio, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMaxwell, John C. The 15 Invaluable Laws of Growth: Live Them and Reach Your Potential. Hachette Audio, 2012.
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