Dyfyniad APA
Johnsonbaugh, R. (2009). Discrete mathematics (7th ed.). Prentice Hall International.
Dyfyniad Arddull Chicago
Johnsonbaugh, Richard. Discrete Mathematics. 7th ed. United States of America: Prentice Hall International, 2009.
Dyfyniad MLA
Johnsonbaugh, Richard. Discrete Mathematics. 7th ed. Prentice Hall International, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.