Clair, R. [ca. 2011]. Learning Objective-C 2.0 : a hands-on guide to Objective-C for Mac and i OS developers. In Safari Tech Books Online [Cd]. Upper Saddle River, N.J.: Addison-Wesley.
ISO-690 (author-date, English)CLAIR, Robert, 2011. Learning Objective-C 2.0 : a hands-on guide to Objective-C for Mac and i OS developers. Upper Saddle River, N.J.: Addison-Wesley. ISBN 9780321712110.
Modern Language Association 9th editionClair, R. „Learning Objective-C 2.0 : a hands-on guide to Objective-C for Mac and i OS developers“. Safari Tech Books Online, cd, Addison-Wesley, 2011.
Mohr Siebeck - Recht (Deutsch - Österreich)Clair, Robert: Learning Objective-C 2.0 : a hands-on guide to Objective-C for Mac and i OS developers, Upper Saddle River, N.J. 2011.
Emerald - HarvardClair, R. (2011), Learning Objective-C 2.0 : a hands-on guide to Objective-C for Mac and i OS developers, Safari Tech Books Online, Bd. , Addison-Wesley, Upper Saddle River, N.J.