LOUV, Richard. Last child in the woods : saving our children from nature-deficit disorder. 1. vyd. Chapel Hill, NC : Algonquin Books of Chapel Hill, 2006. 334 s. Available on Internet: <http://www.loc.gov/catdir/enhancements/fy0634/2005057050-d.html> <http://www.loc.gov/catdir/enhancements/fy0710/2005057050-t.html> ISBN 1-56512-522-3.