ebrary, Inc. (2000). Environmental issues in Pacific Northwest forest management. National Academy Press.
芝加哥风格引文ebrary, Inc. Environmental Issues in Pacific Northwest Forest Management. Washington, D.C.: National Academy Press, 2000.
MLA引文ebrary, Inc. Environmental Issues in Pacific Northwest Forest Management. National Academy Press, 2000.
警告：这些引文格式不一定是100％准确.