Philippines. Bureau of Coast and Geodetic Survey. (1957). Republic of the Philippines. Philippine Coast and Geodetic Survey.
Chicago-viite (17. p.)Philippines. Bureau of Coast and Geodetic Survey. Republic of the Philippines. Manila: Philippine Coast and Geodetic Survey, 1957.
MLA-viite (9. p.)Philippines. Bureau of Coast and Geodetic Survey. Republic of the Philippines. Philippine Coast and Geodetic Survey, 1957.
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