Παραπομπή APA

(1969). Science and technology and the cities. Washington, D.C.: U.S. Government Printing Office.

Παραπομπή Chicago Style

Science and Technology and the Cities. Washington, D.C.: U.S. Government Printing Office, 1969.

Παραπομπή MLA

Science and Technology and the Cities. Washington, D.C.: U.S. Government Printing Office, 1969.

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