Jane Nelsen, Steven Foster (2011). “Positive Discipline for Children with Special Needs: Raising and Teaching All Children to Become Resilient, Responsible, and Respectful”, p.47, Harmony
"'I want her approval. Angie is a force... I want her to be proud of her man': Brad Pitt on guns, violence and THAT wedding". Interview with Martyn Palmer, www.dailymail.co.uk. September 8, 2012.