Παραπομπή APA

Duncan, O. D., & Duncan, B. (1957). The negro population of Chicago: A study of residential succession. Chicago: University of Chicago Press.

Παραπομπή Chicago Style

Duncan, Otis Dudley, and Beverly Duncan. The Negro Population of Chicago: A Study of Residential Succession. Chicago: University of Chicago Press, 1957.

Παραπομπή MLA

Duncan, Otis Dudley, and Beverly Duncan. The Negro Population of Chicago: A Study of Residential Succession. Chicago: University of Chicago Press, 1957.

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