Tohutoro APA (7th ed.)

Heineman, E. R. (1950). Plane trigonometry with tables. McGraw-Hill.

Tohutoru Kātū Chicago (17th ed.)

Heineman, E. Richard. Plane Trigonometry with Tables. New York: McGraw-Hill, 1950.

Tohutoro MLA (9th ed.)

Heineman, E. Richard. Plane Trigonometry with Tables. McGraw-Hill, 1950.