Sarmiento, A. C. E., Calilung, J. M., Sadac, G. C., Sales, V. S., Lingat, N. G., Limin, A. V. R., . . . Guzman, D. M. J. (2009). Plane and spherical trigonometry. Books Atbp. Publishing Corp.
Citazione stile Chigago Style (17a edizione)Sarmiento, Agnes Cenen E., Joseph M. Calilung, Grace C. Sadac, Valentino S. Sales, Nelson G. Lingat, Antonio Valer R. Limin, MIchael M. Chavez, e Danilo M. Jr Guzman. Plane and Spherical Trigonometry. Mandaluyong: Books Atbp. Publishing Corp, 2009.
Citatione MLA (9a ed.)Sarmiento, Agnes Cenen E., et al. Plane and Spherical Trigonometry. Books Atbp. Publishing Corp, 2009.
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