APA (7th ed.) Zitazioa

Holzner, S. (2010). PERL Black Book. Dreamtech Pr.

Chicago Style (17th ed.) Zitazioa

Holzner, Steven. PERL Black Book. New Delhi: Dreamtech Pr, 2010.

MLA (9th ed.) Zitazioa

Holzner, Steven. PERL Black Book. Dreamtech Pr, 2010.