Analysis of information sources in references of the Wikipedia article "2017 GP3 Series" in English language version.
Formula 3:n eurosarjassa Kari oli tällä kaudella vasta kymmenes voitettuaan 30 startista vain yhden, mutta ensi kaudella Kari saa paikan GP3-sarjasta. Asian vahvisti MTV Sportille Red Bullin moottoriurheilupomo Helmut Marko. [Formula 3 Euro Series Kari was only tenth in this season after winning just one of 30 start-up, but the next season Kari gets a seat in the GP3 series. This interest was confirmed by MTV Intersport in Red Bull's motorsport boss Helmut Marko.]