Kolman, B., Busby, R. C., & Ross, S. C. (1999). Discrete mathematical structures: Bernard Kolman, Robert C. Busby, Sharon Cutler Ross (4th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Kolman, Bernard, Robert C. Busby, agus Sharon Cutler Ross. Discrete Mathematical Structures: Bernard Kolman, Robert C. Busby, Sharon Cutler Ross. 4th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 1999.
Lua MLA (8ú heag.)Kolman, Bernard, et al. Discrete Mathematical Structures: Bernard Kolman, Robert C. Busby, Sharon Cutler Ross. 4th ed. Prentice Hall, 1999.
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