Gates, P. (1999). Horrible Science: Evolve or Die. Scholastic Children's Book.
Lua i Stíl Chicago (17ú heag.)Gates, Phil. Horrible Science: Evolve or Die. London: Scholastic Children's Book, 1999.
Lua MLA (9ú heag.)Gates, Phil. Horrible Science: Evolve or Die. Scholastic Children's Book, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.