APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc. (1991). Colorado River ecology and dam management: Proceedings of a symposium, May 24-25, 1990, Santa Fe, New Mexico. National Academy Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc. Colorado River Ecology and Dam Management: Proceedings of a Symposium, May 24-25, 1990, Santa Fe, New Mexico. Washington, D.C.: National Academy Press, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc. Colorado River Ecology and Dam Management: Proceedings of a Symposium, May 24-25, 1990, Santa Fe, New Mexico. National Academy Press, 1991.