@book{184915,
	author = {Hagel, John.},
	title = {Negocios rentables a través de Internet},
	publisher = {Ediciones Paidós Ibérica, S.A.},
	year = {c1999.},
	series = {Paidos empresa},
	address = {Barcelona},
	note = {Traducción de: Net gain : expanding markets through virtual communities }
}