72 hours of unpaid work? 'Unacceptable,' say dancers and critics of Super Bowl halftime show - Los Angeles Times
Super Bowl half-time arrangement under scrutiny over unpaid 'volunteers', Super Bowl
2013 UCLA Gymnastics Media Guide by UCLA Athletics - Issuu
What Do Dancers Bring to a Halftime Show? They Complete the Picture. - The New York Times
Rap Takes Over Super Bowl Halftime, Balancing Celebration and Protest - The New York Times
Super Bowl Halftime Show organisers are asking professional dancers to ' volunteer' for free
Playing the Super Bowl Halftime Show: An Unpaid Internship? - The Atlantic