@book{146642,
	author = {Vernon, Ken D. C.},
	title = {Information sources in management and business /},
	publisher = {Butterworths,},
	year = {1984.},
	series = {Butterworths guides to information sources.},
	address = {London :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Use of management and business literature. 1975.}
}