(1970). Western Mindanao region: Sulu, Zamboanga del Norte, Zamboanga del Sur. s.n.
Chicago Style (17th ed.) CitationWestern Mindanao Region: Sulu, Zamboanga Del Norte, Zamboanga Del Sur. [S.l: s.n, 1970.
MLA (9th ed.) CitationWestern Mindanao Region: Sulu, Zamboanga Del Norte, Zamboanga Del Sur. s.n, 1970.
Warning: These citations may not always be 100% accurate.