APA

McEliece R. J., Ash R. B. & Ash C. (1989). Introduction to discrete mathematics. New York [u.a.]: McGraw-Hill.

Chicago

McEliece Robert J, Ash Robert B and Ash Carol. 1989. Introduction to discrete mathematics. New York [u.a.]: McGraw-Hill.

Harvard

McEliece R. J., Ash R. B. and Ash C. (1989). Introduction to discrete mathematics. New York [u.a.]: McGraw-Hill.

MLA

McEliece Robert J, Ash Robert B and Ash Carol. Introduction to discrete mathematics. New York [u.a.]: McGraw-Hill. 1989.