Keene, C. (2007). Nancy Drew Girl Detective: Trails of Treachery No. 25. Aladdin Paperbacks.
Lua i Stíl Chicago (17ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: Trails of Treachery No. 25. New York: Aladdin Paperbacks, 2007.
Lua MLA (9ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: Trails of Treachery No. 25. Aladdin Paperbacks, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.