1990–91 National Soccer League
[ar] الرابطة الوطنية لكرة القدم 1990–91
[arz] الرابطه الوطنيه لكورة القدم 1990–91
[es] National Soccer League 1990-91
[fr] Championnat d'Australie de football 1990-1991
[id] National Soccer League 1990–1991
[pl] National Soccer League (1990–91)