Clark, C. (1992). What's so funny about ninth graden. Troll Associates.
Lua i Stíl Chicago (17ú heag.)Clark, Catherine. What's so Funny About Ninth Graden. [Mahwah, N.J.]: Troll Associates, 1992.
Lua MLA (9ú heag.)Clark, Catherine. What's so Funny About Ninth Graden. Troll Associates, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.