"Ecco João Schmidt" [João Schmidt is here]. www.atalanta.it (in Italian). Atalanta B.C. 8 July 2017. Archived from the original on 10 July 2017. Retrieved 19 July 2017.
"ジョアン シミッチ選手、移籍加入のお知らせ" [Announcement of transfer of João Schmidt]. nagoya-grampus.jp (in Japanese). Nagoya Grampus. 6 February 2019. Retrieved 6 February 2019.
rioavefc.pt
"João Schmidt chega da Atalanta" [João Schmidt arrives from Atalanta]. rioavefc.pt/ (in Portuguese). Rio Ave F.C. 6 July 2018. Archived from the original on 7 July 2018. Retrieved 26 April 2019.
"Obrigado Schmidt" [Thank you Schmidt]. rioavefc.pt/ (in Portuguese). Rio Ave F.C. 2 February 2019. Retrieved 26 April 2019.
"Ecco João Schmidt" [João Schmidt is here]. www.atalanta.it (in Italian). Atalanta B.C. 8 July 2017. Archived from the original on 10 July 2017. Retrieved 19 July 2017.
"João Schmidt chega da Atalanta" [João Schmidt arrives from Atalanta]. rioavefc.pt/ (in Portuguese). Rio Ave F.C. 6 July 2018. Archived from the original on 7 July 2018. Retrieved 26 April 2019.