Παραπομπή APA

(1968). Directory of national bodies concerned with urban and regional research. [s.l.]: United Nations.

Παραπομπή Chicago Style

Directory of National Bodies Concerned With Urban and Regional Research. [s.l.]: United Nations, 1968.

Παραπομπή MLA

Directory of National Bodies Concerned With Urban and Regional Research. [s.l.]: United Nations, 1968.

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