Brown, L. R. (2011). World on the edge: How to prevent environmental and economic collapse. New York: W. W. Norton.
Trích dẫn kiểu ChicagoBrown, Lester R. World On the Edge: How to Prevent Environmental and Economic Collapse. New York: W. W. Norton, 2011.
MLA引文Brown, Lester R. World On the Edge: How to Prevent Environmental and Economic Collapse. New York: W. W. Norton, 2011.
警告:這些引文格式不一定是100%准確.