APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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