Cita APA (7th ed.)

Carpio, J. N., & Guillermo, J. M. (2014). Plane trigonometry. Rex Book Store.

Cita Chicago (17th ed.)

Carpio, Joy N., i Jaymie M. Guillermo. Plane Trigonometry. Manila: Rex Book Store, 2014.

Cita MLA (9th ed.)

Carpio, Joy N., i Jaymie M. Guillermo. Plane Trigonometry. Rex Book Store, 2014.