(en-GB) Giles Mole, « Former England U20s star David Sisi named in Italy Six Nations squad », The Telegraph, (ISSN0307-1235, lire en ligne, consulté le )
(en-GB) Giles Mole, « Former England U20s star David Sisi named in Italy Six Nations squad », The Telegraph, (ISSN0307-1235, lire en ligne, consulté le )