Dyfyniad APA

(2004). At risk: Natural hazards, people’s vulnerability, and disasters. New York: Routledge.

Dyfyniad Arddull Chicago

At Risk: Natural Hazards, People’s Vulnerability, and Disasters. New York: Routledge, 2004.

Dyfyniad MLA

At Risk: Natural Hazards, People’s Vulnerability, and Disasters. New York: Routledge, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.