Παραπομπή APA
Holleb, D. B. (1970). Social & economics information for Urban planning. Chicago: Center for Urban Studies of the University of Chicago.
Παραπομπή Chicago StyleHolleb, Doris B. Social & Economics Information for Urban Planning. Chicago: Center for Urban Studies of the University of Chicago, 1970.
Παραπομπή MLAHolleb, Doris B. Social & Economics Information for Urban Planning. Chicago: Center for Urban Studies of the University of Chicago, 1970.
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