APA aipamena

Keur, C. (2015). IOS Programming the big nerd ranch guide: The Big Nerd Ranch guide. Atlanta, GA: Big Nerd Ranch.

Chicago Style aipamena

Keur, Christian. IOS Programming the Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Atlanta, GA: Big Nerd Ranch, 2015.

MLA aipamena

Keur, Christian. IOS Programming the Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Atlanta, GA: Big Nerd Ranch, 2015.