Ferrari 308 GTB ’Vetroresina’ drive review
https://www.hagerty.com/media/car-profiles/fiberglass-ferrari-308/
https://collectingcars.com/for-sale/1976-ferrari-308-gtb-vetroresina
https://buy.motorious.com/articles/news/360162/rare-1976-ferrari-308-gtb-vetroresina