Beaumont, K., & Urbanovic, J. (2011). No sleep for the sheep! Houghton Children Books.
Lua i Stíl Chicago (17ú heag.)Beaumont, Karen, agus Jackie Urbanovic. No Sleep for the Sheep! Boston: Houghton Children Books, 2011.
Lua MLA (8ú heag.)Beaumont, Karen, agus Jackie Urbanovic. No Sleep for the Sheep! Houghton Children Books, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.