Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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