Citazione Stile APA (7a Edizione)

Ayres, F. (1954). Theory & problems of Trigonemetry. Schaum Pub. Co.

Citazione stile Chigago Style (17a edizione)

Ayres, Frank. Theory & Problems of Trigonemetry. New York: Schaum Pub. Co, 1954.

Citatione MLA (9a ed.)

Ayres, Frank. Theory & Problems of Trigonemetry. Schaum Pub. Co, 1954.