Dokumentuaren aipamena

APA (7th ed.) Zitazioa
ebrary, Inc, & Mileti, D. S. (1991). The Eruption of Nevado del Ruiz volcano, Colombia, South America, November 13, 1985. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Dennis S. Mileti. The Eruption of Nevado Del Ruiz Volcano, Colombia, South America, November 13, 1985. Washington, D.C.: National Academy Press, 1991.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Dennis S. Mileti. The Eruption of Nevado Del Ruiz Volcano, Colombia, South America, November 13, 1985. National Academy Press, 1991.
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