Philippines. The National Library. (1984). Handbook on Philippine copyright. The National Library of the Philippines.
Citazione stile Chigago Style (17a edizione)Philippines. The National Library. Handbook on Philippine Copyright. [Manila: The National Library of the Philippines, 1984.
Citatione MLA (9a ed.)Philippines. The National Library. Handbook on Philippine Copyright. The National Library of the Philippines, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.