Richard Morgan. Power Ranking World Cup Groups of Death from Past Tournaments. Bleacher Report [online]. 2013-11-26 [cit. 2021-04-11]. Dostupné online. (anglicky)
Ryan Kelly. World Cup 'Groups of Death' over the years & which teams should be afraid in Russia 2018. Goal.com [online]. 2018-05-27 [cit. 2021-04-11]. Dostupné online. (anglicky)
idnes.cz
Skupina smrti, shodují se o losu Slavie v Barceloně i v Dortmundu. iDNES.cz [online]. 2019-08-29 [cit. 2021-04-11]. Dostupné online.
Euro 2012 Draw: Germany, Netherlands, Portugal, Denmark land in “Group of Death”. Washington Post. Dostupné online [cit. 2023-12-06]. ISSN0190-8286. (anglicky)
worldcat.org
Euro 2012 Draw: Germany, Netherlands, Portugal, Denmark land in “Group of Death”. Washington Post. Dostupné online [cit. 2023-12-06]. ISSN0190-8286. (anglicky)