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.
Čikaški stil citiranja (17. izdanje)Curtiss, David Raymond, i Elton James Moulton. Plane Trigonometry: Based on Essentials of Trigonometry, with Applications. Boston: Published for the United States Armed Forces Institute by Heath, 1943.
MLA način citiranja (9. izdanje)Curtiss, David Raymond, i Elton James Moulton. Plane Trigonometry: Based on Essentials of Trigonometry, with Applications. Published for the United States Armed Forces Institute by Heath, 1943.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.