@book{56453,
	author = {Senge, Peter M.},
	title = {The fifth discipline :},
	publisher = {Doubleday/Currency,},
	year = {c2006.},
	address = {New York :},
	edition = {Rev. and updated.},
	url = {http://www.loc.gov/catdir/enhancements/fy0703/2006281125-d.html}
}