@book{20117,
	author = {Berry, Jeffrey M.,},
	title = {Lobbying for the people :},
	publisher = {Princeton University Press,},
	year = {1977.},
	address = {Princeton, N.J. :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1504/77071973-d.html}
}