APA-referens (7:e uppl.)

Thompson, J. E. (1982). Trigonometry for the practical worker (4th ed.). Van Nostrand Reinhold Co.

Chicago-referens (17:e uppl.)

Thompson, James Edgar. Trigonometry for the Practical Worker. 4th ed. New York: Van Nostrand Reinhold Co, 1982.

MLA-referens (9:e uppl.)

Thompson, James Edgar. Trigonometry for the Practical Worker. 4th ed. Van Nostrand Reinhold Co, 1982.