Dyfyniad APA
Ross, K. A., & Wright, C. R. B. (1999). Discrete mathematics (4th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Ross, Kenneth A., and Charles R. B. Wright. Discrete Mathematics. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 1999.
Dyfyniad MLA
Ross, Kenneth A., and Charles R. B. Wright. Discrete Mathematics. 4th ed. Prentice Hall, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.