Sachar, L. (2001). Holes. Laurel-Leaf Books.
Cita Chicago Style (17a ed.)Sachar, Louis. Holes. New York: Laurel-Leaf Books, 2001.
Cita MLA (9a ed.)Sachar, Louis. Holes. Laurel-Leaf Books, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.