Citazione Stile APA (7a Edizione)

Philippines (Republic). President, 1948-1953 (Quirino). Executive order no. 321 prescribing the code of the national flag and national anthem of the Republic of the Philippines. s.n.].

Citazione stile Chigago Style (17a edizione)

Philippines (Republic). President, 1948-1953 (Quirino). Executive Order No. 321 Prescribing the Code of the National Flag and National Anthem of the Republic of the Philippines. [Manila: s.n.].

Citatione MLA (9a ed.)

Philippines (Republic). President, 1948-1953 (Quirino). Executive Order No. 321 Prescribing the Code of the National Flag and National Anthem of the Republic of the Philippines. s.n.].

Attenzione: Queste citazioni potrebbero non essere precise al 100%.