@book{31143,
	author = {Blank, Leland T. and Tarquin, Anthony.},
	title = {Ingeneria economica /},
	publisher = {McGraw-Hill,},
	year = {2001.},
	address = {Bogotá :},
	edition = {4a ed.},
	note = {Incluye apendice e indice.}
}