Friedl, J. E. F. (2006). Mastering regular expressions (Third edition.). O'Reilly.
Lua i Stíl Chicago (17ú heag.)Friedl, Jeffrey E. F. Mastering Regular Expressions. Third edition. Sebastapol, CA: O'Reilly, 2006.
Lua MLA (9ú heag.)Friedl, Jeffrey E. F. Mastering Regular Expressions. Third edition. O'Reilly, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.