Williams, J. D. (2001). LEA guide to composition. Lawrence Erlbaum.
Lua i Stíl Chicago (17ú heag.)Williams, James D. LEA Guide to Composition. New Jersy: Lawrence Erlbaum, 2001.
Lua MLA (9ú heag.)Williams, James D. LEA Guide to Composition. Lawrence Erlbaum, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.