1. Ashmos, D., & Duchon, D. (2009). Spirituality at work: A conceptualization and measure. Journal of Management Inquiry, 9(2), 134–145.
2. Ashmos, D., & Plowman, D. (2005). Nurturing the spirit at work: Impact on work unit performance. Leadership Quarterly, 16(5), 807–833.
3. Beazley, H. (1997). Meaning and measurement of spirituality in organizational settings: Development of a spirituality assessment scale. George Washington University, Washington, DC: Ph.D. Dissertation.
4. Benefiel, M. (2005). Soul at work: Spiritual leadership in organizations. New York: Seabury Books.
5. Benefiel, M. (2008). The soul of a leader: Finding your path to success and fulfillment. New York: Crossroad.