@book{68502,
	author = {Jones, Fredric H. and Jones, Patrick.},
	title = {Tools for teaching :},
	publisher = {F.H. Jones & Associates,},
	year = {2007.},
	address = {Santa Cruz, CA :},
	edition = {2a ed.},
	note = {Includes index.},
	url = {http://www.fredjones.com}
}