Ferguson, G. (2019). The eight master lessons of nature: What nature teaches us about living well in the world. Dutton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFerguson, Gary. The Eight Master Lessons of Nature: What Nature Teaches Us About Living Well in the World. New York, New York: Dutton, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFerguson, Gary. The Eight Master Lessons of Nature: What Nature Teaches Us About Living Well in the World. Dutton, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.