National Planning Association. Center for Development Planning. Development planning project semi-annual interim administrative progress report. s.n.].
Chicago-referens (17:e uppl.)National Planning Association. Center for Development Planning. Development Planning Project Semi-annual Interim Administrative Progress Report. [Washington, D.C: s.n.].
MLA-referens (9:e uppl.)National Planning Association. Center for Development Planning. Development Planning Project Semi-annual Interim Administrative Progress Report. s.n.].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.