Philippines. Bureau of Coast and Geodetic Survey. (1983). San Guillermo, Philippines. Bureau of Coast and Geodetic Survey.
Chicagoスタイル(17版)引用形式Philippines. Bureau of Coast and Geodetic Survey. San Guillermo, Philippines. Manila: Bureau of Coast and Geodetic Survey, 1983.
MLA(9版)引用形式Philippines. Bureau of Coast and Geodetic Survey. San Guillermo, Philippines. Bureau of Coast and Geodetic Survey, 1983.
警告: この引用は必ずしも正確ではありません.