Hong, E. (2019). The power of nunchi: The Korean secret to happiness and success. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHong, Euny. The Power of Nunchi: The Korean Secret to Happiness and Success. [New York]: Penguin Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHong, Euny. The Power of Nunchi: The Korean Secret to Happiness and Success. Penguin Books, 2019.
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