@book{116761,
	author = { Plotkin, Fred,  and Domingo, Plácido,  },
	title = {Opera 101 :},
	publisher = {Hachette Books, },
	year = {2014.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy1207/94009477-d.html}
}