Philippines (Republic). The National Library. Your national library. National Media Production Center.
Chicago-referens (17:e uppl.)Philippines (Republic). The National Library. Your National Library. Manila: National Media Production Center.
MLA-referens (9:e uppl.)Philippines (Republic). The National Library. Your National Library. National Media Production Center.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.