Ayres, F. (1954). Theory and problems of plane and spherical trigonometry. New York: Schaum Publ. Co.
Citación estilo ChicagoAyres, Frank. Theory and Problems of Plane and Spherical Trigonometry. New York: Schaum Publ. Co, 1954.
Cita MLAAyres, Frank. Theory and Problems of Plane and Spherical Trigonometry. New York: Schaum Publ. Co, 1954.
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