Ayres, F. (1954). Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill.
Citação norma ChicagoAyres, Frank. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill, 1954.
Citação norma MLAAyres, Frank. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill, 1954.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.