„Vienna Shooting: Attacker Was ISIS Sympathizer; at Least Three Dead”, Wall Street Journal, 2020. november 3.. [2020. november 2-i dátummal az eredetiből archiválva] „At least one gunman killed four people and seriously injured several others before being shot dead by police in an attack in the Austrian capital, Vienna, that officials called Islamist terrorism.”
„Vienna Shooting: Attacker Was ISIS Sympathizer; at Least Three Dead”, Wall Street Journal, 2020. november 3.. [2020. november 2-i dátummal az eredetiből archiválva] „At least one gunman killed four people and seriously injured several others before being shot dead by police in an attack in the Austrian capital, Vienna, that officials called Islamist terrorism.”
