AYRES, F. (1954). Theory and problems of plane and spherical: Trigonometry. Schaum Pub.
Citazione stile Chigago Style (17a edizione)AYRES, Frank. Theory and Problems of Plane and Spherical: Trigonometry. New York: Schaum Pub, 1954.
Citatione MLA (9a ed.)AYRES, Frank. Theory and Problems of Plane and Spherical: Trigonometry. Schaum Pub, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.