Donnges, C. (2003). Improving access in rural areas: Guidelines for integrated rural accessibility planning. ILO.
Chicago-referens (17:e uppl.)Donnges, Chris. Improving Access in Rural Areas: Guidelines for Integrated Rural Accessibility Planning. Geneva: ILO, 2003.
MLA-referens (9:e uppl.)Donnges, Chris. Improving Access in Rural Areas: Guidelines for Integrated Rural Accessibility Planning. ILO, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.