Philippines. Regional Development Council, Region XI. (1985). Updated Southern Mindanao region development plan, 1984-1987. RDC XI.
Chicago-referens (17:e uppl.)Philippines. Regional Development Council, Region XI. Updated Southern Mindanao Region Development Plan, 1984-1987. Davao City: RDC XI, 1985.
MLA-referens (9:e uppl.)Philippines. Regional Development Council, Region XI. Updated Southern Mindanao Region Development Plan, 1984-1987. RDC XI, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.