Keene, C. (2008). Nancy Drew Girl Detective: Secret Identity Book One No. 33. Aladdin Paperbacks.
Lua i Stíl Chicago (17ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: Secret Identity Book One No. 33. New York: Aladdin Paperbacks, 2008.
Lua MLA (9ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: Secret Identity Book One No. 33. Aladdin Paperbacks, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.