Harris, R. H., & Emberley, M. (2008). Maybe a bear ate it! Orchard Books.
Lua i Stíl Chicago (17ú heag.)Harris, Robie H., agus Michael Emberley. Maybe a Bear Ate It! New York: Orchard Books, 2008.
Lua MLA (8ú heag.)Harris, Robie H., agus Michael Emberley. Maybe a Bear Ate It! Orchard Books, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.