Cohen, J. M., & Uphoff, N. T. (1977). Rural development participation: Concepts and measures for project design, implementation, and evaluation. Rural Development Committee, Center for International Studies, Cornell University.
Lua i Stíl Chicago (17ú heag.)Cohen, John M., agus Norman Thomas Uphoff. Rural Development Participation: Concepts and Measures for Project Design, Implementation, and Evaluation. Ithaca, N.Y.: Rural Development Committee, Center for International Studies, Cornell University, 1977.
Lua MLA (8ú heag.)Cohen, John M., agus Norman Thomas Uphoff. Rural Development Participation: Concepts and Measures for Project Design, Implementation, and Evaluation. Rural Development Committee, Center for International Studies, Cornell University, 1977.