Thomas F. Jackson, Martin Luther King (Jr.) (2007). “From Civil Rights to Human Rights: Martin Luther King, Jr., and the Struggle for Economic Justice”, p.230, University of Pennsylvania Press
"'Everybody in the World Except US Citizens Should Be Allowed to Vote and Elect the American Government' - Leading Intellectual Slavoj Žižek". "Democracy Now!" with Amy Goodman, www.democracynow.org. March 11, 2008.