Ratcliff, R. U. (1972). Urban land economics. Greenwood Press.
Tohutoru Kātū Chicago (17th ed.)Ratcliff, Richard Updegraff. Urban Land Economics. Westport, Conn.: Greenwood Press, 1972.
Tohutoro MLA (9th ed.)Ratcliff, Richard Updegraff. Urban Land Economics. Greenwood Press, 1972.
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