{"source":"book","style":"apa","contributors": [{"function":"author","last":"Buero","first":"Vallejo","middle":"Antonio,"},{"function":"author","last":"Diez","first":"de","middle":"Revenga, Francisco Javier,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"La Fundacion","publisher":"Espasa Calpe","city":"Madrid","year":"1994"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"803347143","isbn":"8423919145 9788423919147"}