Salmen, L. F. (1983). Participant-observer evaluation of urban projects in La Paz, Bolivia and Guayaquil, Ecuador. Water Supply and Urban Development Department, Operations Policy Staff, World Bank.
Cita Chicago (17th ed.)Salmen, Lawrence F. Participant-observer Evaluation of Urban Projects in La Paz, Bolivia and Guayaquil, Ecuador. New York: Water Supply and Urban Development Department, Operations Policy Staff, World Bank, 1983.
Cita MLA (9th ed.)Salmen, Lawrence F. Participant-observer Evaluation of Urban Projects in La Paz, Bolivia and Guayaquil, Ecuador. Water Supply and Urban Development Department, Operations Policy Staff, World Bank, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.