APA Citatie

Ayres, F. J. (1954). Schaum's outline of theory and problems of plane and spherical trigonometry. McGraw Hill.

Chicago Style citaat

Ayres, Frank Junior. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw Hill, 1954.

MLA citatie

Ayres, Frank Junior. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. McGraw Hill, 1954.