Schwartz, A. (2012). Lucy can't sleep. Roaring Brook Press.
Lua i Stíl Chicago (17ú heag.)Schwartz, Amy. Lucy Can't Sleep. New York: Roaring Brook Press, 2012.
Lua MLA (8ú heag.)Schwartz, Amy. Lucy Can't Sleep. Roaring Brook Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.