Cita APA (7th ed.)

Tan, V., & Perez, F. A. (1935). Plane and spherical trigonometry. Macaraig Publishing.

Cita Chicago (17th ed.)

Tan, Vidal, i Francisco A. Perez. Plane and Spherical Trigonometry. Manila: Macaraig Publishing, 1935.

Cita MLA (9th ed.)

Tan, Vidal, i Francisco A. Perez. Plane and Spherical Trigonometry. Macaraig Publishing, 1935.