Till, D. (1996). Teach yourself PERL 5 in 21 days (2nd ed.). Sams Publishing.
Chicago Style (17th ed.) CitationTill, David. Teach Yourself PERL 5 in 21 Days. 2nd ed. Indianapolis Indiana: Sams Publishing, 1996.
MLA (8th ed.) CitationTill, David. Teach Yourself PERL 5 in 21 Days. 2nd ed. Sams Publishing, 1996.
Warning: These citations may not always be 100% accurate.
