Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://tecmelblog.wordpress.com/2017/01/11/los-dibujos-a-mano-alzada-de-las-obras-de-mario-botta/
https://es.wikiarquitectura.com/edificio/casa-en-ligornetto/
https://es-la.facebook.com/archweb.it/photos/a.290911694302988/584276191633202/?type=3&theater
http://www.botta.ch/en/SPAZI%20DELL-ABITARE?idx=18
https://www.pinterest.es/pin/364369426077327373/
https://www.pinterest.ru/pin/340092209353405420/
https://www.worthpoint.com/worthopedia/mario-botta-casa-ligornetto-ticino-switzerland-1
https://www.pinterest.es/pin/292100725808465109/