Falk, N. (1992). Voluntary work and the environment: Local environmental development initiatives in Europe. Office for Official Publications of the European Communities.
Citación estilo ChicagoFalk, Nicholas. Voluntary Work and the Environment: Local Environmental Development Initiatives in Europe. Luxembourg: Office for Official Publications of the European Communities, 1992.
Cita MLAFalk, Nicholas. Voluntary Work and the Environment: Local Environmental Development Initiatives in Europe. Office for Official Publications of the European Communities, 1992.
Warning: These citations may not always be 100% accurate.