10 sources from articles http://abcnews.go.com/Technology/steve-jobs-things-miss-steve-jobs/story?id=17399000#.UJsk6W872Ag http://topics.nytimes.com/top/reference/timestopics/people/j/steven_p_jobs/index.html http://hbr.org/2012/04/the-real-leadership-lessons-of-steve-jobs/ar/1 http://www.