Cita APA (7a ed.)

Kochan, S. (2004). Programming in objective-C. Sams.

Cita Chicago Style (17a ed.)

Kochan, Stephen. Programming in Objective-C. Indianapolis, Ind.: Sams, 2004.

Cita MLA (8a ed.)

Kochan, Stephen. Programming in Objective-C. Sams, 2004.