APA引文

Philippines. National Mapping & Resource Information Authority. Legazpi City. National Mapping and Resource Information Authority, 1989.

Chicago Style (17th ed.) Citation

Philippines. National Mapping & Resource Information Authority. Legazpi City. Makati, Metro Manila: National Mapping and Resource Information Authority, 1989.

MLA引文

Philippines. National Mapping & Resource Information Authority. Legazpi City. National Mapping and Resource Information Authority, 1989.

警告：這些引文格式不一定是100％准確.