"Desmond Tutu Would Prefer Hell Over A Homophobic Heaven". Desmond Tutu's statements during the United Nations’ launch of its gay-rights program in Cape Town, www.huffingtonpost.com. July 26, 2013.
Myles Horton, Paulo Freire, Brenda Bell, John Gaventa (1990). “We Make the Road by Walking: Conversations on Education and Social Change”, p.235, Temple University Press