Rondinelli, D. A., & Ruddle, K. (1976). Urban functions in rural development: An analysis of integrated spatial development policy. Office of Urban Development, Technical Assistance Bureau, Agency for International Development, U.S. Department of State.
Chicago-referens (17:e uppl.)Rondinelli, Dennis A., och Kenneth Ruddle. Urban Functions in Rural Development: An Analysis of Integrated Spatial Development Policy. [Washington, D.C.]: Office of Urban Development, Technical Assistance Bureau, Agency for International Development, U.S. Department of State, 1976.
MLA-referens (9:e uppl.)Rondinelli, Dennis A., och Kenneth Ruddle. Urban Functions in Rural Development: An Analysis of Integrated Spatial Development Policy. Office of Urban Development, Technical Assistance Bureau, Agency for International Development, U.S. Department of State, 1976.