@book{38132,
	author = {Tierney, Stephen.},
	title = {Constitutional referendums},
	publisher = {Oxford University Press,},
	year = {2012.},
	series = {Oxford constitutional theory},
	address = {Oxford :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199592791.001.0001}
}