Isard, W. (1975). Introduction to regional science. Prentice-Hall.
芝加哥风格引文Isard, Walter. Introduction to Regional Science. Englewood Cliffs, N.J.: Prentice-Hall, 1975.
MLA引文Isard, Walter. Introduction to Regional Science. Prentice-Hall, 1975.
警告：这些引文格式不一定是100％准确.