APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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