Pbilippines. Bureau of Coast and Geodetic Survey. (1983). Sta. Marcela, Philippines. Bureau of Coast and Geodetic Survey.
芝加哥风格引文Pbilippines. Bureau of Coast and Geodetic Survey. Sta. Marcela, Philippines. Manila: Bureau of Coast and Geodetic Survey, 1983.
MLA引文Pbilippines. Bureau of Coast and Geodetic Survey. Sta. Marcela, Philippines. Bureau of Coast and Geodetic Survey, 1983.
警告：这些引文格式不一定是100％准确.