Wiking, M. (2017). The little book of lykke: Secrets of the world's happiest people. William Morrow, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWiking, Meik. The Little Book of Lykke: Secrets of the World's Happiest People. New York, N.Y.: William Morrow, an imprint of HarperCollinsPublishers, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWiking, Meik. The Little Book of Lykke: Secrets of the World's Happiest People. William Morrow, an imprint of HarperCollinsPublishers, 2017.
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