Sachar, L. (2001). Holes. Laurel-Leaf Books.
Lua i Stíl Chicago (17ú heag.)Sachar, Louis. Holes. New York: Laurel-Leaf Books, 2001.
Lua MLA (9ú heag.)Sachar, Louis. Holes. Laurel-Leaf Books, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.