Duterte, R. R. (2018). State of the nation address of Rodrigo Roa Duterte, President of the Philippines. Presidential Communications Operations Office, Bureau of Communications Services.
Lua i Stíl Chicago (17ú heag.)Duterte, Rodrigo Roa. State of the Nation Address of Rodrigo Roa Duterte, President of the Philippines. Manila: Presidential Communications Operations Office, Bureau of Communications Services, 2018.
Lua MLA (9ú heag.)Duterte, Rodrigo Roa. State of the Nation Address of Rodrigo Roa Duterte, President of the Philippines. Presidential Communications Operations Office, Bureau of Communications Services, 2018.
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