Dyfyniad APA

Clocksin, W. F., & Mellish, C. S. (1994). Programming in Prolog (4th ed.). Springer-Verlag.

Dyfyniad Arddull Chicago

Clocksin, W. F., and C. S. Mellish. Programming in Prolog. 4th ed. Berlin: Springer-Verlag, 1994.

Dyfyniad MLA

Clocksin, W. F., and C. S. Mellish. Programming in Prolog. 4th ed. Springer-Verlag, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.