Cita APA (7th ed.)

AYRES, F. (1954). Theory and problems of plane and spherical: Trigonometry. Schaum Pub.

Cita Chicago (17th ed.)

AYRES, Frank. Theory and Problems of Plane and Spherical: Trigonometry. New York: Schaum Pub, 1954.

Cita MLA (9th ed.)

AYRES, Frank. Theory and Problems of Plane and Spherical: Trigonometry. Schaum Pub, 1954.

Atenció: Aquestes cites poden no estar 100% correctes.