Krutilla, J. V. (1972). Natural environents: Studies in theoretical and applied analysis. Resources for the Future by Johns Hopkins Press University Press.
芝加哥风格引文Krutilla, John V. Natural Environents: Studies in Theoretical and Applied Analysis. Baltimore: Resources for the Future by Johns Hopkins Press University Press, 1972.
MLA引文Krutilla, John V. Natural Environents: Studies in Theoretical and Applied Analysis. Resources for the Future by Johns Hopkins Press University Press, 1972.
警告：这些引文格式不一定是100％准确.