Cita APA (7th ed.)

Umali, R. A. (1971). O Kaka, O kaka: Pampango folk song. Manlapaz Pub.

Cita Chicago (17th ed.)

Umali, Restituto A. O Kaka, O Kaka: Pampango Folk Song. [Quezon City: Manlapaz Pub, 1971.

Cita MLA (9th ed.)

Umali, Restituto A. O Kaka, O Kaka: Pampango Folk Song. Manlapaz Pub, 1971.