Cita APA (7th ed.)

Reyes, F. N., Felix, R. P., Mapa, F. G., & Tangco, J. T. (2000). Trigonometry (2nd ed.). National Book Store.

Cita Chicago (17th ed.)

Reyes, Fe N., Rene P. Felix, Felina G. Mapa, i Jesusa T. Tangco. Trigonometry. 2nd ed. Mandaluyong City: National Book Store, 2000.

Cita MLA (9th ed.)

Reyes, Fe N., et al. Trigonometry. 2nd ed. National Book Store, 2000.