Amaro GómezBanco MundialBaños, PedroCaparros, MartinDelehanty, HughEugenio Raul ZaffaroniGallego, José LuÃsJohnson, SpencerJosé Luis EspertKarl, MarxKiyosaki, Robert T.Krugman, Paul R.Küng, HansMalthus, Thomas RobertMartin LitwakMarx, KarlRieff, DavidRobert T. KiyosakiSin AutorTetaz, MartÃnTim HarfordVV. AA.Woolf, Virginia