@book{149728,
	author = {Berry, Jeffrey M.},
	title = {The interest group society},
	publisher = {Scott, Foresman},
	year = {c1989.},
	series = {Scott, Foresman/Little, Brown series in political science},
	address = {Glenview, Ill.},
	edition = {2nd ed.},
	note = {Includes index.}
}