Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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