Russell, H. (2024). The Danish secret to happy kids: How the Viking way of raising children makes them happier, healthier, and more independent. Sourcebooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRussell, Helen. The Danish Secret to Happy Kids: How the Viking Way of Raising Children Makes Them Happier, Healthier, and More Independent. Naperville, Illinois: Sourcebooks, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRussell, Helen. The Danish Secret to Happy Kids: How the Viking Way of Raising Children Makes Them Happier, Healthier, and More Independent. Sourcebooks, 2024.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.