Citazione Stile APA (7a Edizione)

Tan, V. A., & Perez, F. (1957). Plane and spherical trigonometry with solid geometry. Macaraig Pub.

Citazione stile Chigago Style (17a edizione)

Tan, Vidal A., e Francisco Perez. Plane and Spherical Trigonometry with Solid Geometry. Manila: Macaraig Pub, 1957.

Citatione MLA (9a ed.)

Tan, Vidal A., e Francisco Perez. Plane and Spherical Trigonometry with Solid Geometry. Macaraig Pub, 1957.