Williams, F., & Zeller, E. W. (2017). The nature fix: Why nature makes us happier, healthier, and more creative (Unabridged.). HighBridge Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Florence, और Emily Woo Zeller. The Nature Fix: Why Nature Makes Us Happier, Healthier, and More Creative. Unabridged. Prince Frederick: HighBridge Audio, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Florence, और Emily Woo Zeller. The Nature Fix: Why Nature Makes Us Happier, Healthier, and More Creative. Unabridged. HighBridge Audio, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.