@book{127273,
	author = {Ahmed, Arif.},
	title = {Wittgenstein's Philosophical investigations :},
	publisher = {Cambridge University Press,},
	year = {2010.},
	series = {Cambridge critical guides},
	address = {Cambridge :},
	url = {http://assets.cambridge.org/97805218/86130/cover/9780521886130.jpg}
}