Russell, H. (2021). How to be sad: Everything I've learned about getting happier by being sad (First HarperOne edition.). HarperOne, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRussell, Helen. How to Be Sad: Everything I've Learned About Getting Happier by Being Sad. First HarperOne edition. New York, NY: HarperOne, an imprint of HarperCollins Publishers, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRussell, Helen. How to Be Sad: Everything I've Learned About Getting Happier by Being Sad. First HarperOne edition. HarperOne, an imprint of HarperCollins Publishers, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.