Lakoff, George.
Don't think of an elephant!: know your values and frame the debate : the essential guide for progressives /
George Lakoff ; foreword by Howard Dean ; introduction by Don Hazen 
. - White River Junction : Chelsea Green Publishing,  2004 
. - xvi, 124 p.  21 cm. 
<br/><label>  ISBN: </label>1-931498-71-7