Wilkinson, R. G., & Pickett, K. (2019). The inner level: How more equal societies reduce stress, restore sanity and improve everyone's well-being. Penguin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilkinson, Richard G., और Kate Pickett. The Inner Level: How More Equal Societies Reduce Stress, Restore Sanity and Improve Everyone's Well-being. New York: Penguin Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilkinson, Richard G., और Kate Pickett. The Inner Level: How More Equal Societies Reduce Stress, Restore Sanity and Improve Everyone's Well-being. Penguin Press, 2019.
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