Philippines Bureau of Coast and Geodetic Survey. (1986). Daet. Philippine Coast and Geodetic Survey.
Chicago-referens (17:e uppl.)Philippines Bureau of Coast and Geodetic Survey. Daet. Manila: Philippine Coast and Geodetic Survey, 1986.
MLA-referens (9:e uppl.)Philippines Bureau of Coast and Geodetic Survey. Daet. Philippine Coast and Geodetic Survey, 1986.
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