Retrieved on June 25, 2013 at 9:18:18 PM CT
Massachusetts Special Election Survey – Executive Summary
Url: http://images.politico.com/global/2013/06/20/ma_statewide_tracking_1100_roll_memo_06-20-13.pdf
Retrieved on June 25, 2013 at 9:18:18 PM CT
Url: http://images.politico.com/global/2013/06/20/ma_statewide_tracking_1100_roll_memo_06-20-13.pdf