Dyfyniad APA

Walker, R. A. (1950). The planning function in urban government (2nd ed.). The University of Chicago Press.

Dyfyniad Arddull Chicago

Walker, Robert Averill. The Planning Function in Urban Government. 2nd ed. Chicago: The University of Chicago Press, 1950.

Dyfyniad MLA

Walker, Robert Averill. The Planning Function in Urban Government. 2nd ed. The University of Chicago Press, 1950.

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