@book{7021,
	author = {Holding, Helen},
	title = {Mastering Database Design},
	publisher = {Macmillan Master,},
	year = {2000.},
	address = {England:},
	url = {http://books.google.com.pk/books/about/Mastering_Database_Design.html?id=ts_MHAAACAAJ&redir_esc=y}
}