ebrary, Inc. (1990). The search for life's origins: Progress and future directions in planetary biology and chemical evolution. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc. The Search for Life's Origins: Progress and Future Directions in Planetary Biology and Chemical Evolution. Washington, D.C.: National Academy Press, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc. The Search for Life's Origins: Progress and Future Directions in Planetary Biology and Chemical Evolution. National Academy Press, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.