APA (7th ed.) Citation

Gabuyo, Y. A., & Mejia, L. D. (2011). Plane trigonometry: A modern approach (Second edition.). Rex Book Store.

Chicago Style (17th ed.) Citation

Gabuyo, Yonardo A., and Leila D.P Mejia. Plane Trigonometry: A Modern Approach. Second edition. Manila: Rex Book Store, 2011.

MLA (9th ed.) Citation

Gabuyo, Yonardo A., and Leila D.P Mejia. Plane Trigonometry: A Modern Approach. Second edition. Rex Book Store, 2011.