Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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