Hines, L. G. (1973). Environmental issues: Population, pollution, and economics ([1st ed.].). Norton.
芝加哥风格引文Hines, Lawrence Gregory. Environmental Issues: Population, Pollution, and Economics. [1st ed.]. New York: Norton, 1973.
MLA引文Hines, Lawrence Gregory. Environmental Issues: Population, Pollution, and Economics. [1st ed.]. Norton, 1973.
警告：这些引文格式不一定是100％准确.