@book{13,
	author = {Horngren, Charles T.; Datar, Srikant M.; Foster, George; Rajan, Madhav V.; Ittner, Christopher},
	title = {Cost accounting : },
	publisher = {Prentice Hall,},
	year = {2009.},
	address = {Singapore :},
	edition = {13th},
	note = {Includes index}
}