Johnsonbaugh, R. (1984). Discrete mathematics: Instructor's guide. Macmillan.
Lua i Stíl Chicago (17ú heag.)Johnsonbaugh, Richard. Discrete Mathematics: Instructor's Guide. New York: Macmillan, 1984.
Lua MLA (9ú heag.)Johnsonbaugh, Richard. Discrete Mathematics: Instructor's Guide. Macmillan, 1984.
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