Williams, J. M. (2009). Style: The basics of clarity and grace. Pearson Longman.
Lua i Stíl Chicago (17ú heag.)Williams, Joseph M. Style: The Basics of Clarity and Grace. New York: Pearson Longman, 2009.
Lua MLA (8ú heag.)Williams, Joseph M. Style: The Basics of Clarity and Grace. Pearson Longman, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.