Philippines (Republic). Bureau of Public Schools & Division of Adult Education. (1956). Code of citizenship and ethics. s.n.
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Bureau of Public Schools e Division of Adult Education. Code of Citizenship and Ethics. Manila: s.n, 1956.
Citatione MLA (9a ed.)Philippines (Republic). Bureau of Public Schools e Division of Adult Education. Code of Citizenship and Ethics. s.n, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.