Philippines (Republic). Joint Local Government Reform Commission. (1970). Local government directory: Province of Davao Oriental. Joint Local Government Reform Commission.
Chicago-referens (17:e uppl.)Philippines (Republic). Joint Local Government Reform Commission. Local Government Directory: Province of Davao Oriental. Manila: Joint Local Government Reform Commission, 1970.
MLA-referens (9:e uppl.)Philippines (Republic). Joint Local Government Reform Commission. Local Government Directory: Province of Davao Oriental. Joint Local Government Reform Commission, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.