Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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