Jack Canfield, D. D. Watkins (2007). “Jack Canfield's Key to Living the Law of Attraction: A Simple Guide to Creating the Life of Your Dreams”, p.10, Health Communications, Inc.
Jack Canfield, D. D. Watkins (2007). “Jack Canfield's Key to Living the Law of Attraction: A Simple Guide to Creating the Life of Your Dreams”, p.39, Health Communications, Inc.
"Exclusive: Terry Tempest Williams On Sacred Rage, Abundance, and the Upcoming White House Tar Sands Pipeline Action". Interview with Jerry Cope, www.huffingtonpost.com. August 17, 2011.