Eddington, N. A., & Helmer, J. (1974). Urbanman: The psychology of urban survival (1st Free Press paperback ed.). Free Press.
Cita Chicago Style (17a ed.)Eddington, Neil A., y John Helmer. Urbanman: The Psychology of Urban Survival. 1st Free Press paperback ed. New York: Free Press, 1974.
Cita MLA (9a ed.)Eddington, Neil A., y John Helmer. Urbanman: The Psychology of Urban Survival. 1st Free Press paperback ed. Free Press, 1974.
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