Valera, J. B. (1989). Rural development: Concepts and components. Philippine Journal of Public Administration.
Chicago-referens (17:e uppl.)Valera, Jaime B. "Rural Development: Concepts and Components." Philippine Journal of Public Administration 1989.
MLA-referens (9:e uppl.)Valera, Jaime B. "Rural Development: Concepts and Components." Philippine Journal of Public Administration, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.