ebrary, Inc. (1995). Effects of past global change on life. National Academy Press.
Chicago-referens (17:e uppl.)ebrary, Inc. Effects of Past Global Change on Life. Washington, D.C.: National Academy Press, 1995.
MLA-referens (9:e uppl.)ebrary, Inc. Effects of Past Global Change on Life. National Academy Press, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.