APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Schuster, R. L., & Egred, J. (1991). The March 5, 1987, Ecuador earthquakes: Mass wasting and socioeconomic effects. National Academy Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Robert L. Schuster, ба José Egred. The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects. Washington, D.C.: National Academy Press, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects. National Academy Press, 1991.