@book{51784,
	author = {May, Thomas Erskine, and Cocks, Barnett},
	title = {Erskine May's Treatise on the law, privileges, proceedings and usage of Parliament /},
	publisher = {Butterworths,},
	year = {1950},
	address = {London :},
	edition = {15th ed.},
	note = {Spine title: Parliamentary practice}
}