Keur, C., & Hillegass, A. (2017). IOS PROGRAMMING: THE BIG NERD RANCH GUIDE (5th ed.). Big Nerd Ranch.
Citación estilo ChicagoKeur, Christian, and Aaron Hillegass. IOS PROGRAMMING: THE BIG NERD RANCH GUIDE. 5th ed. Atlanta, GA: Big Nerd Ranch, 2017.
Cita MLAKeur, Christian, and Aaron Hillegass. IOS PROGRAMMING: THE BIG NERD RANCH GUIDE. 5th ed. Big Nerd Ranch, 2017.
Warning: These citations may not always be 100% accurate.