ebrary, Inc. (1991). A Safer future: Reducing the impacts of natural disasters. National Academy Press.
芝加哥风格引文ebrary, Inc. A Safer Future: Reducing the Impacts of Natural Disasters. Washington, D.C.: National Academy Press, 1991.
MLA引文ebrary, Inc. A Safer Future: Reducing the Impacts of Natural Disasters. National Academy Press, 1991.
警告：这些引文格式不一定是100％准确.