Cita APA (7th ed.)
Nagel, C. (2008). Professional C♯ 2008. Wiley.
Cita Chicago (17th ed.)
Nagel, Christian. Professional C♯ 2008. Indianapolis, IN ; New Delhi: Wiley, 2008.
Cita MLA (9th ed.)
Nagel, Christian. Professional C♯ 2008. Wiley, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.