Curtiss, D. R., & Moulton, E. J. (1943). Plane trigonometry: Based on essentials of trigonometry, with applications. Published for the United States Armed Forces Institute by Heath.
Citazione stile Chigago Style (17a edizione)Curtiss, David Raymond, e Elton James Moulton. Plane Trigonometry: Based on Essentials of Trigonometry, with Applications. Boston: Published for the United States Armed Forces Institute by Heath, 1943.
Citatione MLA (9a ed.)Curtiss, David Raymond, e Elton James Moulton. Plane Trigonometry: Based on Essentials of Trigonometry, with Applications. Published for the United States Armed Forces Institute by Heath, 1943.
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