APA-viite (7. p.)
Chang, S. S. (2010). Cloning internet applications with Ruby: Make your own TinyURL, Twitter, Flickr, or Facebook using Ruby. Packt Pub..
Chicago-viite (17. p.)
Chang, Sau Sheong. Cloning Internet Applications with Ruby: Make Your Own TinyURL, Twitter, Flickr, or Facebook Using Ruby. Birmingham, U.K.: Packt Pub., 2010.
MLA-viite (9. p.)
Chang, Sau Sheong. Cloning Internet Applications with Ruby: Make Your Own TinyURL, Twitter, Flickr, or Facebook Using Ruby. Packt Pub., 2010.
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