APA (7e ed.) Bronvermelding

Rider, P. R., & Hedrick, E. R. 1. . L. a. t. t. (1969). Plane and aspherical trigonometry, with tables. Macmillan National Book Store.

Chicago (17e ed.) Bronvermelding

Rider, Paul Reece, en Earle Raymond 1876-1943. Logarithmic and trigonometric tables Hedrick. Plane and Aspherical Trigonometry, with Tables. New York, Manila: Macmillan National Book Store, 1969.

MLA (9e ed.) Bronvermelding

Rider, Paul Reece, en Earle Raymond 1876-1943. Logarithmic and trigonometric tables Hedrick. Plane and Aspherical Trigonometry, with Tables. Macmillan National Book Store, 1969.