APA-viite (7. p.)
ebrary, Inc, & Karl, T. (1998). Toward an Earth Science Enterprise federation: Results from a workshop. National Academy Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Thomas Karl. Toward an Earth Science Enterprise Federation: Results from a Workshop. Washington, D.C.: National Academy Press, 1998.
MLA-viite (9. p.)
ebrary, Inc, ja Thomas Karl. Toward an Earth Science Enterprise Federation: Results from a Workshop. National Academy Press, 1998.
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