Cita APA (7th ed.)
Baird, K. C. (2007). Ruby by example: Concepts and code. No Starch Press.
Cita Chicago (17th ed.)
Baird, Kevin C. Ruby by Example: Concepts and Code. San Francisco: No Starch Press, 2007.
Cita MLA (9th ed.)
Baird, Kevin C. Ruby by Example: Concepts and Code. No Starch Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.