APA (7th ed.) Zitazioa

ebrary, Inc. (1999). Our common journey: A transition toward sustainability. National Academy Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. Our Common Journey: A Transition Toward Sustainability. Washington, D.C.: National Academy Press, 1999.

MLA (9th ed.) Zitazioa

ebrary, Inc. Our Common Journey: A Transition Toward Sustainability. National Academy Press, 1999.