APA-referens (7:e uppl.)
Festari, G. (2014). Learning shell scripting with Zsh: Your one-stop guide to reading, writing, and debugging simple and complex Z shell scripts. Packt Publishing.
Chicago-referens (17:e uppl.)
Festari, Gastón. Learning Shell Scripting with Zsh: Your One-stop Guide to Reading, Writing, and Debugging Simple and Complex Z Shell Scripts. Birmingham: Packt Publishing, 2014.
MLA-referens (9:e uppl.)
Festari, Gastón. Learning Shell Scripting with Zsh: Your One-stop Guide to Reading, Writing, and Debugging Simple and Complex Z Shell Scripts. Packt Publishing, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.