Owners manual for the car would be a start.
Auto Scrap yards for parts, though, that doesn't look like a common car so you'll likely have to pay a lot of money to buy parts online.
If you've never restored a car before or aren't mechanically inclinced (or an auto mechanic), this is probably not a good idea, given that you'll likely have to strip that car down to nothing and remove the engine et all.
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