Philippines. National Mapping & Resource Information Authority. Baybay. National Mapping and Resource Information Authority, 1991.
Chicago-Zitierstil (17. Ausg.)Philippines. National Mapping & Resource Information Authority. Baybay. Makati, Metro Manila: National Mapping and Resource Information Authority, 1991.
MLA-Zitierstil (9. Ausg.)Philippines. National Mapping & Resource Information Authority. Baybay. National Mapping and Resource Information Authority, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.