Lemay, L. (1999). Sams teach yourself Perl in 21 days. Sams Pub. ; techmedia.
Lua i Stíl Chicago (17ú heag.)Lemay, Laura. Sams Teach Yourself Perl in 21 Days. Indianapolis, Ind. : New Delhi: Sams Pub. ; techmedia, 1999.
Lua MLA (8ú heag.)Lemay, Laura. Sams Teach Yourself Perl in 21 Days. Sams Pub. ; techmedia, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.