Παραπομπή APA

Norton, P. L. (1959). Urban problems and techniques: A forum on technical problems in an expanding urban society. Lexington, KY: Chandler Davis.

Παραπομπή Chicago Style

Norton, Perry L. Urban Problems and Techniques: A Forum On Technical Problems in an Expanding Urban Society. Lexington, KY: Chandler Davis, 1959.

Παραπομπή MLA

Norton, Perry L. Urban Problems and Techniques: A Forum On Technical Problems in an Expanding Urban Society. Lexington, KY: Chandler Davis, 1959.

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