APA-viite (7. p.)

Heineman, E. R., & Tarwater, J. D. (1993). Plane Trigonometry (seventh edition.). McGraw-Hill, Inc.

Chicago-viite (17. p.)

Heineman, E. Richard, ja J. Dalton Tarwater. Plane Trigonometry. seventh edition. New York, EEUU: McGraw-Hill, Inc, 1993.

MLA-viite (9. p.)

Heineman, E. Richard, ja J. Dalton Tarwater. Plane Trigonometry. seventh edition. McGraw-Hill, Inc, 1993.