@book{586,
	author = {Kay, Ronald D. and Edwards, William M.},
	title = {Farm management /},
	publisher = {McGraw-Hill,},
	year = {c2008.},
	address = {Boston, Mass. :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip078/2006103184.html}
}