Dyfyniad APA

Philippines. Bureau of Coast and Geodetic Survey. (1983). Ilagan. Philippine Coast and Geodetic Survey.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

Philippines. Bureau of Coast and Geodetic Survey. Ilagan. Philippine Coast and Geodetic Survey, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.