ebrary, Inc. (1999). Our common journey: A transition toward sustainability. National Academy Press.
Chicago-viite (17. p.)ebrary, Inc. Our Common Journey: A Transition Toward Sustainability. Washington, D.C.: National Academy Press, 1999.
MLA-viite (9. p.)ebrary, Inc. Our Common Journey: A Transition Toward Sustainability. National Academy Press, 1999.
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