APA (7th ed.) Citation

Philippines. The National Library. (2006). Philippine national bibliography 2005. National Library of the Philippines.

Chicago Style (17th ed.) Citation

Philippines. The National Library. Philippine National Bibliography 2005. Manila: National Library of the Philippines, 2006.

MLA (9th ed.) Citation

Philippines. The National Library. Philippine National Bibliography 2005. National Library of the Philippines, 2006.