Cita APA (7th ed.)

(2008). Sungdu-an 4: Extensions. National Commission for Culture and the Arts.

Cita Chicago (17th ed.)

Sungdu-an 4: Extensions. Manila: National Commission for Culture and the Arts, 2008.

Cita MLA (9th ed.)

Sungdu-an 4: Extensions. National Commission for Culture and the Arts, 2008.