IE Business Cases. Ross Spain, S.A. [s.n.].
Lua i Stíl Chicago (17ú heag.)IE Business Cases. Ross Spain, S.A. [S.l.]: [s.n.].
Lua MLA (9ú heag.)IE Business Cases. Ross Spain, S.A. [s.n.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.