Cita APA (7th ed.)

Herrmann, E. (1998). Teach yourself: CGI Programming with perl 5 in a week. Techmedia.

Cita Chicago (17th ed.)

Herrmann, Eric. Teach Yourself: CGI Programming with Perl 5 in a Week. New Delhi: Techmedia, 1998.

Cita MLA (9th ed.)

Herrmann, Eric. Teach Yourself: CGI Programming with Perl 5 in a Week. Techmedia, 1998.