World Book. (1996). World Book Encyclopedia E(vol.6). World Book International.
Chicago Edition CitationWorld Book. World Book Encyclopedia E(vol.6). London: World Book International, 1996.
Deismireacht MLAWorld Book. World Book Encyclopedia E(vol.6). World Book International, 1996.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.