Higgins, Andrew; Gross, Jenny; Toler, Aric (21. 12. 2023). „At Least 15 Dead in Czech Republic After Shooting at Prague University”. The New York Times. ISSN0362-4331. Архивирано из оригинала 21. 12. 2023. г. Приступљено 22. 12. 2023. „it was not immediately clear how a native-born Czech who grew up in a small village in Central Bohemia would have acquired a mastery of the Russian language, including faddish slang used by young Russians online and a rich vocabulary of swear words”CS1 одржавање: Формат датума (веза)
„David Kozák / Давид” (на језику: руски). Telegram. 21. 12. 2023. Архивирано из оригинала 21. 12. 2023. г. Приступљено 22. 12. 2023.CS1 одржавање: Формат датума (веза)CS1 одржавање: BOT: статус параметра оригинални-URL непознат (веза)
Higgins, Andrew; Gross, Jenny; Toler, Aric (21. 12. 2023). „At Least 15 Dead in Czech Republic After Shooting at Prague University”. The New York Times. ISSN0362-4331. Архивирано из оригинала 21. 12. 2023. г. Приступљено 22. 12. 2023. „it was not immediately clear how a native-born Czech who grew up in a small village in Central Bohemia would have acquired a mastery of the Russian language, including faddish slang used by young Russians online and a rich vocabulary of swear words”CS1 одржавање: Формат датума (веза)
Higgins, Andrew; Gross, Jenny; Toler, Aric (21. 12. 2023). „At Least 15 Dead in Czech Republic After Shooting at Prague University”. The New York Times. ISSN0362-4331. Архивирано из оригинала 21. 12. 2023. г. Приступљено 22. 12. 2023. „it was not immediately clear how a native-born Czech who grew up in a small village in Central Bohemia would have acquired a mastery of the Russian language, including faddish slang used by young Russians online and a rich vocabulary of swear words”CS1 одржавање: Формат датума (веза)