"Perú anuncia su nómina provisional de 24 jugadores" [Peru announces its provisional list of 24 players]. FIFA.com (ภาษาสเปน). Fédération Internationale de Football Association. 16 May 2018. สืบค้นเมื่อ 17 May 2018.
"Panamá anuncia su lista provisional" [Panama announces its provisional list]. FIFA.com (ภาษาสเปน). Fédération Internationale de Football Association. 14 May 2018. สืบค้นเมื่อ 15 May 2018.
Marques, David (17 May 2018). "Mundial 2018: estes são os 23 de Portugal" [2018 World Cup: these are the 23 players of Portugal]. maisfutebol.iol.pt (ภาษาโปรตุเกส). Maisfutebol. สืบค้นเมื่อ 17 May 2018.