Gibbons, G. (1992). Sharks. Holiday House.
Lua i Stíl Chicago (17ú heag.)Gibbons, Gail. Sharks. New York: Holiday House, 1992.
Lua MLA (8ú heag.)Gibbons, Gail. Sharks. Holiday House, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.