Here is the research for the quote in my Self Portrait.
http://blogs.tribune.com.pk/story/19792/the-evolution-of-the-apple-logo/ – 24-10-14
http://www.edibleapple.com/2009/04/20/the-evolution-and-history-of-the-apple-logo/ – 24-10-14
http://freddesign.co.uk/so-why-an-apple-the-history-of-the-apple-logo/ – 24-10-14