APA (7th ed.) Zitazioa

Spiegel, H. B. C. (1968). Citizen participation in urban development. Center for Community Affairs, NTL Institute for Applied Behavioral Science.

Chicago Style (17th ed.) Zitazioa

Spiegel, Hans B. C. Citizen Participation in Urban Development. [Washington]: Center for Community Affairs, NTL Institute for Applied Behavioral Science, 1968.

MLA (9th ed.) Zitazioa

Spiegel, Hans B. C. Citizen Participation in Urban Development. Center for Community Affairs, NTL Institute for Applied Behavioral Science, 1968.