Legendre, A. M. (1875). Elements of geometry and trigonometry. A. S. Barnes.
Lua i Stíl Chicago (17ú heag.)Legendre, A. M. Elements of Geometry and Trigonometry. New York: A. S. Barnes, 1875.
Lua MLA (9ú heag.)Legendre, A. M. Elements of Geometry and Trigonometry. A. S. Barnes, 1875.
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