Keene, C. (2006). Nancy Drew Girl Detective: En Garde No. 17. Aladdin Paperbacks.
Lua i Stíl Chicago (17ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: En Garde No. 17. New York: Aladdin Paperbacks, 2006.
Lua MLA (9ú heag.)Keene, Carolyn. Nancy Drew Girl Detective: En Garde No. 17. Aladdin Paperbacks, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.