Philippines. Bureau of Coast and Geodetic Survey. (1984). Cagayan Sulu Island. Philippine Coast and Geodetic Survey.
Chicagoスタイル(17版)引用形式Philippines. Bureau of Coast and Geodetic Survey. Cagayan Sulu Island. Manila: Philippine Coast and Geodetic Survey, 1984.
MLA(9版)引用形式Philippines. Bureau of Coast and Geodetic Survey. Cagayan Sulu Island. Philippine Coast and Geodetic Survey, 1984.
警告: この引用は必ずしも正確ではありません.