Cita APA (7th ed.)

Tan, V. A., & Perez, F. (1957). Plane and spherical trigonometry (Rev. ed.). Macaraig Pub.

Cita Chicago (17th ed.)

Tan, Vidal A., i Francisco Perez. Plane and Spherical Trigonometry. Rev. ed. Manila: Macaraig Pub, 1957.

Cita MLA (9th ed.)

Tan, Vidal A., i Francisco Perez. Plane and Spherical Trigonometry. Rev. ed. Macaraig Pub, 1957.