Philippines. Bureau of Coast and Geodetic Survey. (1983). Ilagan. Philippine Coast and Geodetic Survey.
Style de citation Chicago (17e éd.)Philippines. Bureau of Coast and Geodetic Survey. Ilagan. Manila: Philippine Coast and Geodetic Survey, 1983.
Style de citation MLA (9e éd.)Philippines. Bureau of Coast and Geodetic Survey. Ilagan. Philippine Coast and Geodetic Survey, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.