@book{29313,
	author = {Block, Carl E. and Roering, Kenneth J.},
	title = {Essentials of consumer behavior},
	publisher = {Dryden Press},
	year = {c1979.},
	series = {The Dryden Press series in marketing},
	address = {Hinsdale, Ill.},
	edition = {2d ed.}
}