@book{2622,
	author = {Baran, Stanley J. and Davis, Dennis K.},
	title = {Mass communication theory :},
	publisher = {Wadsworth Cengage Learning,},
	year = {c2009.},
	series = {Wadsworth series in mass communication and journalism,},
	address = {Boston, MA :},
	edition = {5th ed.},
	note = {Includes index.}
}