Arnold, T. (2009). Green Wilma, frog in space. Dial Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Arnold, Tedd. Green Wilma, Frog in Space. New York: Dial Books for Young Readers, 2009.
Lua MLA (8ú heag.)Arnold, Tedd. Green Wilma, Frog in Space. Dial Books for Young Readers, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.