Goodrum, C. (1987). The liberty of congress. Oxford & IBH.
Lua i Stíl Chicago (17ú heag.)Goodrum, C. The Liberty of Congress. New Delhi: Oxford & IBH, 1987.
Lua MLA (9ú heag.)Goodrum, C. The Liberty of Congress. Oxford & IBH, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.