@book{199642,
	author = {Rossi, Peter Henry and Lipsey, Mark W.},
	title = {Evaluation},
	publisher = {Sage},
	year = {c2004.},
	address = {Thousand Oaks, CA},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip046/2003015926.html}
}