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Shakti Gawain (2008). “Creative Visualization: Use the Power of Your Imagination to Create What You Want in Your Life: Easyread Super Large 18pt Edition”, p.14, ReadHowYouWant.com
"Carrie Underwood: US country queen speaks out for gay marriage – but how will conservative fans take it?" by Guy Adams, www.independent.co.uk. June 8, 2012.