Perrett, H. (1983). Planning of communication support (information, motivation and education) in sanitation projects and programs. World Bank.
Citación estilo ChicagoPerrett, Heli. Planning of Communication Support (information, Motivation and Education) in Sanitation Projects and Programs. Washington, D.C: World Bank, 1983.
Cita MLAPerrett, Heli. Planning of Communication Support (information, Motivation and Education) in Sanitation Projects and Programs. World Bank, 1983.
Warning: These citations may not always be 100% accurate.