1. Gustavo Gutiérrez , A Theology of Liberation: History, Politics, and Salvation (Maryknoll, NY: Orbis, 1973), 11
2. Henry Bettenson , Chris Maunder , ed., Documents of the Christian Church, 4th ed. (New York: Oxford University Press, 2011), 371
3. Gustavo Gutierrez , “Notes for a Theology of Liberation.” Theological Studies 31, no. 2 (June 1970): 243–261
4. Jon Sobrino , Christology at the Crossroads: A Latin American Approach (Maryknoll, NY: Orbis, 1978), xvii