Hugh Prather, Gerald Jampolsky (2000). “The Little Book of Letting Go: A Revolutionary 30-Day Program to Cleanse Your Mind, Lift Your Spirit and Replenish Your Soul”, p.17, Conari Press
Hugh Prather, Gerald Jampolsky (2000). “The Little Book of Letting Go: A Revolutionary 30-Day Program to Cleanse Your Mind, Lift Your Spirit and Replenish Your Soul”, p.10, Conari Press
Hugh Prather, Gerald Jampolsky (2000). “The Little Book of Letting Go: A Revolutionary 30-Day Program to Cleanse Your Mind, Lift Your Spirit and Replenish Your Soul”, p.15, Conari Press
Hugh Prather (2000). “The Little Book of Letting Go: A Revolutionary 30-Day Program to Cleanse Your Mind, Lift Your Spirit and Replenish Your Soul”, p.7, Conari Press