Dyfyniad APA

Isard, W. (1972). Ecologic-economic analysis for regional development. Free Press.

Dyfyniad Arddull Chicago

Isard, Walter. Ecologic-economic Analysis for Regional Development. New York: Free Press, 1972.

Dyfyniad MLA

Isard, Walter. Ecologic-economic Analysis for Regional Development. Free Press, 1972.

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