Robinson, who has made two substitute appearances for his country, is joined in Sven Goran Eriksson's party by team-mate Mills, whose future at Elland Road remains in doubt after being left out of the squad for today's match against Newcastle.
Mills has 14 caps for his country but he has been criticized in the past for his explosive temperament.
Mills has 14 caps for his country but he has been criticized in the past for his explosive temperament.