Cita APA (7th ed.)

Philippine Islands. (1976). Guia oficial de las Islas Filipinas [microform]. Photoduplication Service, University of the Philippines.

Cita Chicago (17th ed.)

Philippine Islands. Guia Oficial De Las Islas Filipinas [microform]. Quezon City: Photoduplication Service, University of the Philippines, 1976.

Cita MLA (9th ed.)

Philippine Islands. Guia Oficial De Las Islas Filipinas [microform]. Photoduplication Service, University of the Philippines, 1976.