APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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