Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.amazon.es/Montorio-cattolici-Gradus-Studi-architettura-restauro/dp/8871403347/ref=sr_1_1?ie=UTF8&qid=1394839893&sr=8-1&keywords=San+Pietro+in+Montorio+%3A+la+chiesa+dei+re+cattolici+a+Roma
http://www.arborsapientiae.com/libro/7702/san-pietro-in-montorio-la-chiesa-dei-re-cattolici-a-roma-flavia-cantatore.html