APA引文

Philippines. Bureau of Coast and Geodetic Survey. (1983). Ilagan. Philippine Coast and Geodetic Survey.

芝加哥风格引文

Philippines. Bureau of Coast and Geodetic Survey. Ilagan. Manila: Philippine Coast and Geodetic Survey, 1983.

MLA引文

Philippines. Bureau of Coast and Geodetic Survey. Ilagan. Philippine Coast and Geodetic Survey, 1983.

警告：这些引文格式不一定是100％准确.