@book{1438,
	author = {Prentice, William E.},
	title = {Get fit, stay fit /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2007.},
	address = {Boston :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0665/2005054124-t.html}
}