@book{22102,
	author = {Sinclair, P. J. N. and Cairncross, Alec},
	title = {Introduction to economics /},
	publisher = {Butterworths,},
	year = {1982.},
	address = {London :},
	edition = {6th ed.},
	note = {"Sources of British economic statistics": pages 453-455.}
}