APA (7 वां संस्करण) प्रशस्ति पत्र
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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Booker, Amy M., और Joseph D. Walters. Learning Objective-C by Developing IPhone Games: Leverage Xcode and Objective-C to Develop IPhone Games. Birmingham, England: Packt Publishing, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Booker, Amy M., और Joseph D. Walters. Learning Objective-C by Developing IPhone Games: Leverage Xcode and Objective-C to Develop IPhone Games. Packt Publishing, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.