@book{18193,
	author = {Kettner, Peter M., and Martin, Lawrence L.},
	title = {Purchase of service contracting /},
	publisher = {Sage Publications,},
	year = {c1987.},
	address = {Newbury Park, Calif. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/86001928-d.html}
}