Philippines. Bureau of Coast and Geodetic Survey. (1987). Alabang. Bureau of Coast and Geodetic Survey [distributor].
芝加哥风格引文Philippines. Bureau of Coast and Geodetic Survey. Alabang. Manila: Bureau of Coast and Geodetic Survey [distributor], 1987.
MLA引文Philippines. Bureau of Coast and Geodetic Survey. Alabang. Bureau of Coast and Geodetic Survey [distributor], 1987.
警告：这些引文格式不一定是100％准确.