Cushman, D. (2009). Dirk Bones and the mystery of the missing books. HarperCollinsPublishers.
Lua i Stíl Chicago (17ú heag.)Cushman, Doug. Dirk Bones and the Mystery of the Missing Books. New York: HarperCollinsPublishers, 2009.
Lua MLA (8ú heag.)Cushman, Doug. Dirk Bones and the Mystery of the Missing Books. HarperCollinsPublishers, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.