Duterte, R. R. (2019). The 2019 State of the Nation Address (SONA) of President Rodrigo Roa Duterte: 16th President of the Republic of the Philippines 1st Mindanaoan President. Presidential Communications Operations Office Bureau of Communications Services.
Citazione stile Chigago Style (17a edizione)Duterte, Rodrigo Roa. The 2019 State of the Nation Address (SONA) of President Rodrigo Roa Duterte: 16th President of the Republic of the Philippines 1st Mindanaoan President. [Manila]: Presidential Communications Operations Office Bureau of Communications Services, 2019.
Citatione MLA (9a ed.)Duterte, Rodrigo Roa. The 2019 State of the Nation Address (SONA) of President Rodrigo Roa Duterte: 16th President of the Republic of the Philippines 1st Mindanaoan President. Presidential Communications Operations Office Bureau of Communications Services, 2019.