Brink, R. W. (1928). Plane trigonometry: A textbook for schools and colleges. D. Appleton-Century.
Cita Chicago (17th ed.)Brink, Raymond Woodward. Plane Trigonometry: A Textbook for Schools and Colleges. New York: D. Appleton-Century, 1928.
Cita MLA (9th ed.)Brink, Raymond Woodward. Plane Trigonometry: A Textbook for Schools and Colleges. D. Appleton-Century, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.