Cita APA (7th ed.)
Wentk, R. C. (2011). Xcode 4. Wiley Pub., Inc..
Cita Chicago (17th ed.)
Wentk, Richard C. Xcode 4. Indianapolis, Ind.: Wiley Pub., Inc., 2011.
Cita MLA (9th ed.)
Wentk, Richard C. Xcode 4. Wiley Pub., Inc., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.