Wiebe, R. (2012). Mac application development by example beginner's guide: A comprehensive and practical guide, for absolute beginners, to developing your own App for Mac OS X. Packt Pub..

Wiebe, Robert. Mac Application Development by Example Beginner's Guide: A Comprehensive and Practical Guide, for Absolute Beginners, to Developing Your Own App for Mac OS X. Birmingham, UK: Packt Pub., 2012.

Wiebe, Robert. Mac Application Development by Example Beginner's Guide: A Comprehensive and Practical Guide, for Absolute Beginners, to Developing Your Own App for Mac OS X. Packt Pub., 2012.