https://www.betexplorer.com/soccer/switzerland/super-league/young-boys-zurich/jB23u1me/

https://www.fcz.ch/de/profis/news/2019/vorschau-bsc-young-boys-fc-zurich/

https://www.gaeubschwarz.ch/2019/08/23/vorschau-bsc-yb-fc-zuerich-4/