@book{ IRIARTE_FELICES_NÚÑEZ:191,

author = { EMILIO IRIARTE ROMERO and ÁNGEL MIGUEL FELICES LAGO and EMILIA NÚÑEZ PÉREZ } ,

title = { EMPRESA SIGLO XXI },

publisher = { EDINUMEN },

address = { MADRID },

year = { 2009 },

pages = { 191 },

isbn = { 978-84-9848-0 },

}