1. Anderson & Moore (2008). Mark & Method: New Approaches in Biblical Studies (2nd ed.). Minneapolis, MN: Fortress.
2. Aquinas (1265). Summa Theologica (Trans by Fathers of the English Dominican Province). Westminster, MD: Christian Classics.
3. Bass (1985). Leadership and Performance Beyond Expectations. New York, NY: Free Press.
4. Blau (1964). Exchange and Power in Social Life. New York, NY: Wiley.
5. Boyatzis, Smith, & Blaize (2006). Developing Sustainable Leaders Through Coaching and Compassion. Academy of Management Learning and Education, 5(1). 8–24.