APA (7th ed.) Citation

Philippine Islands. Legislature. Senate. Directorio oficial del Senado de Filipinas. Bureau of Print.

Chicago Style (17th ed.) Citation

Philippine Islands. Legislature. Senate. Directorio Oficial Del Senado De Filipinas. Manila: Bureau of Print.

MLA (9th ed.) Citation

Philippine Islands. Legislature. Senate. Directorio Oficial Del Senado De Filipinas. Bureau of Print.

Warning: These citations may not always be 100% accurate.