Lipschutz, S. (1995). Schaum's outline of theory and problems of finite: Mathematics (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Finite: Mathematics. 2nd ed. New York: McGraw-Hill, 1995.
Cita MLA (9th ed.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Finite: Mathematics. 2nd ed. McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.