Philippines. National Media Production Center. (1977). Rural development. National Media Production Center.
Chicago-referens (17:e uppl.)Philippines. National Media Production Center. Rural Development. Manila: National Media Production Center, 1977.
MLA-referens (9:e uppl.)Philippines. National Media Production Center. Rural Development. National Media Production Center, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.