Cita APA (7th ed.)

Tan, V. A., & Perez, F. A. (1950). Plane and spherical trigonometry with solid geometry (Engineering ed.). Macaraig.

Cita Chicago (17th ed.)

Tan, Vidal A., i Francisco A. Perez. Plane and Spherical Trigonometry with Solid Geometry. Engineering ed. Manila: Macaraig, 1950.

Cita MLA (9th ed.)

Tan, Vidal A., i Francisco A. Perez. Plane and Spherical Trigonometry with Solid Geometry. Engineering ed. Macaraig, 1950.