Dyfyniad APA

 Schalkoff, R. J. (2007).  Programming languages and methodologies.  Jones and Bartlett Publishers.

Dyfyniad Arddull Chicago

 Schalkoff, Robert J.  Programming Languages and Methodologies.  Jones and Bartlett Publishers, 2007.

Dyfyniad MLA

 Schalkoff, Robert J.  Programming Languages and Methodologies.  Jones and Bartlett Publishers, 2007.

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