APA-referens (7:e uppl.)

Philippines. National Mapping and Resource Information Authority. Lucena City. National Mapping and Resource Information Authority, 1988.

Chicago-referens (17:e uppl.)

Philippines. National Mapping and Resource Information Authority. Lucena City. Makati, [Metro Manila]: National Mapping and Resource Information Authority, 1988.

MLA-referens (8:e uppl.)

Philippines. National Mapping and Resource Information Authority. Lucena City. National Mapping and Resource Information Authority, 1988.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.