APA-viite (7. p.)
Booker, A. M., & Walters, J. D. (2014). Learning objective-C by developing iPhone games: Leverage Xcode and objective-C to develop iPhone games. Packt Publishing.
Chicago-viite (17. p.)
Booker, Amy M., ja Joseph D. Walters. Learning Objective-C by Developing IPhone Games: Leverage Xcode and Objective-C to Develop IPhone Games. Birmingham, England: Packt Publishing, 2014.
MLA-viite (9. p.)
Booker, Amy M., ja Joseph D. Walters. Learning Objective-C by Developing IPhone Games: Leverage Xcode and Objective-C to Develop IPhone Games. Packt Publishing, 2014.
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