赫乐嘎斯 & 沃德. (2015). Objective-C编程: Objective-C programming: the big nerd ranch guide. 华中科技大学出版社.
Lua i Stíl Chicago (17ú heag.)赫乐嘎斯 agus 沃德. Objective-C编程: Objective-C Programming: The Big Nerd Ranch Guide. 华中科技大学出版社, 2015.
Lua MLA (8ú heag.)赫乐嘎斯 agus 沃德. Objective-C编程: Objective-C Programming: The Big Nerd Ranch Guide. 华中科技大学出版社, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.