Sunnemark, F. (2004). Ring out freedom!: The voice of Martin Luther King, Jr. and the making of the civil rights movement. Indiana University Press.
Chicago-referens (17:e uppl.)Sunnemark, Fredrik. Ring Out Freedom!: The Voice of Martin Luther King, Jr. and the Making of the Civil Rights Movement. Bloomington: Indiana University Press, 2004.
MLA-referens (9:e uppl.)Sunnemark, Fredrik. Ring Out Freedom!: The Voice of Martin Luther King, Jr. and the Making of the Civil Rights Movement. Indiana University Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.