1. Collaborating with Customer Communities: Lessons from the LEGO Group;Antorini Yun Mi;MIT Sloan Management Review,2012
2. Bawden Tom. “Lego® Bids to Build a Greater Appeal for Girls.”The Observer 5 Mar. 2011 https://www.theguardian.com/business/2011/mar/06/lego-appeal-to-girls.
3. Amateur experts