Dyfyniad APA

Goyvaerts, J., & Levithan, S. (2012). Regular expressions cookbook (Second edition.). O'Reilly.

Dyfyniad Arddull Chicago

Goyvaerts, Jan, and Steven Levithan. Regular Expressions Cookbook. Second edition. Beijing: O'Reilly, 2012.

Dyfyniad MLA

Goyvaerts, Jan, and Steven Levithan. Regular Expressions Cookbook. Second edition. O'Reilly, 2012.

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