WYLIE, J. C. (1955). Plane trigonometry. McGraw-Hill.
Cita Chicago (17th ed.)WYLIE, Jr. C.R. Plane Trigonometry. New York: McGraw-Hill, 1955.
Cita MLA (9th ed.)WYLIE, Jr. C.R. Plane Trigonometry. McGraw-Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.