Elbaum, S. N. (2001). Grammar in context (3rd ed.). Heinle & Heinle.
Lua i Stíl Chicago (17ú heag.)Elbaum, Sandra N. Grammar in Context. 3rd ed. Boston, MA: Heinle & Heinle, 2001.
Lua MLA (8ú heag.)Elbaum, Sandra N. Grammar in Context. 3rd ed. Heinle & Heinle, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.