Philippines. Bureau of Coast and Geodetic Survey. (1986). Cebu City. Philippine Coast and Geodetic Survey.
Chicago Style (17. basım) AtıfPhilippines. Bureau of Coast and Geodetic Survey. Cebu City. Manila: Philippine Coast and Geodetic Survey, 1986.
MLA (9th ed.) AtıfPhilippines. Bureau of Coast and Geodetic Survey. Cebu City. Philippine Coast and Geodetic Survey, 1986.
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