@book{86884,
	author = {Gupta , G K  and Database management},
	title = {Database management systems},
	publisher = {McGraw-Hill},
	year = {2011},
	address = {New Delhi},
	edition = {1},
	url = {http://mcgrawhilleducation.pdn.ipublishcentral.com/pdfreader/database-management-systems}
}