IERS. (2009). IERS annual report 2007. IERS.
Chicago Edition CitationIERS. IERS Annual Report 2007. Frankfurtam Main: IERS, 2009.
Deismireacht MLAIERS. IERS Annual Report 2007. IERS, 2009.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.