Carpio, J. N., & Guillermo, J. M. (2014). Plane trigonometry. Rex Book Store.
Chicago Style (17th ed.) CitationCarpio, Joy N., and Jaymie M. Guillermo. Plane Trigonometry. Manila: Rex Book Store, 2014.
MLA (9th ed.) CitationCarpio, Joy N., and Jaymie M. Guillermo. Plane Trigonometry. Rex Book Store, 2014.
Warning: These citations may not always be 100% accurate.