APA aipamena

Philippines. Bureau of Coast and Geodetic Survey. (1983). Abulug, Philippines. Bureau of Coast and Geodetic Survey.

Chicago Style aipamena

Philippines. Bureau of Coast and Geodetic Survey. Abulug, Philippines. Manila: Bureau of Coast and Geodetic Survey, 1983.

MLA aipamena

Philippines. Bureau of Coast and Geodetic Survey. Abulug, Philippines. Bureau of Coast and Geodetic Survey, 1983.