Island Observer. [s. n.].
Chicago Style (17th ed.) CitationIsland Observer. Calapan: [s. n.].
MLA (9th ed.) CitationIsland Observer. [s. n.].
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Island Observer. [s. n.].
Chicago Style (17th ed.) CitationIsland Observer. Calapan: [s. n.].
MLA (9th ed.) CitationIsland Observer. [s. n.].