Brian, R. (2020). The worry (less) book: Feel strong, find calm, and tame your anxiety! (First edition.). Little, Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrian, Rachel. The Worry (less) Book: Feel Strong, Find Calm, and Tame Your Anxiety! First edition. New York: Little, Brown and Company, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrian, Rachel. The Worry (less) Book: Feel Strong, Find Calm, and Tame Your Anxiety! First edition. Little, Brown and Company, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.