Kuenzlen, M., Cashman, T., & Happ, H. (1972). Playing urban games: The systems approach to planning. New York: George Braziller.
Παραπομπή Chicago StyleKuenzlen, Martin, Tyrone Cashman, and Hartmut Happ. Playing Urban Games: The Systems Approach to Planning. New York: George Braziller, 1972.
Παραπομπή MLAKuenzlen, Martin, Tyrone Cashman, and Hartmut Happ. Playing Urban Games: The Systems Approach to Planning. New York: George Braziller, 1972.
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