ebrary, Inc. (1990). The search for life's origins: Progress and future directions in planetary biology and chemical evolution. National Academy Press.
Chicago-referens (17:e uppl.)ebrary, Inc. The Search for Life's Origins: Progress and Future Directions in Planetary Biology and Chemical Evolution. Washington, D.C.: National Academy Press, 1990.
MLA-referens (9:e uppl.)ebrary, Inc. The Search for Life's Origins: Progress and Future Directions in Planetary Biology and Chemical Evolution. National Academy Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.