Schwartz, R. L., Phoenix, T., & Foy, B. D. (2008). Learning Perl (5th ed.). O'Reilly ; Shroff publishers.
Lua i Stíl Chicago (17ú heag.)Schwartz, Randal L., Tom Phoenix, agus Brian D. Foy. Learning Perl. 5th ed. Beijing ; Sebastopol : Mumbai: O'Reilly ; Shroff publishers, 2008.
Lua MLA (8ú heag.)Schwartz, Randal L., et al. Learning Perl. 5th ed. O'Reilly ; Shroff publishers, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.