Spiegel, H. B. C. (1968). Citizen participation in urban development. Center for Community Affairs, NTL Institute for Applied Behavioral Science.
Cita Chicago Style (17a ed.)Spiegel, Hans B. C. Citizen Participation in Urban Development. [Washington]: Center for Community Affairs, NTL Institute for Applied Behavioral Science, 1968.
Cita MLA (9a ed.)Spiegel, Hans B. C. Citizen Participation in Urban Development. Center for Community Affairs, NTL Institute for Applied Behavioral Science, 1968.