Tan, V. A., & Perez, F. A. (1950). Plane and spherical trigonometry with solid geometry (Engineering ed.). Macaraig.
Chicago Style (17. basım) AtıfTan, Vidal A., ve Francisco A. Perez. Plane and Spherical Trigonometry with Solid Geometry. Engineering ed. Manila: Macaraig, 1950.
MLA (9th ed.) AtıfTan, Vidal A., ve Francisco A. Perez. Plane and Spherical Trigonometry with Solid Geometry. Engineering ed. Macaraig, 1950.
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