Rees, P. K. (1975). Algebra and trigonometry (3rd ed.). McGraw-Hill Book Company, Inc.
Cita Chicago (17th ed.)Rees, Paul K. Algebra and Trigonometry. 3rd ed. New York: McGraw-Hill Book Company, Inc, 1975.
Cita MLA (9th ed.)Rees, Paul K. Algebra and Trigonometry. 3rd ed. McGraw-Hill Book Company, Inc, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.