Chogyam Trungpa (2010). “The Collected Works of Chogyam Trungpa: Volume Three: Cutting Through Spiritual Materialism; The Myth of Freedom; The Heart of the Bud dha; Selected Writings”, p.76, Shambhala Publications
"A conversation with meditation teacher and co-founder of Insight Meditation Society: Sharon Salzberg". Interview with Nancy Alder, www.marandapleasantmedia.com. August 4, 2013.
Kristin Hannah (2013). “Kristin Hannah's Coming Home 4-Book Bundle: On Mystic Lake, Summer Island, Distant Shores, Home Again”, p.373, Ballantine Books