Keene, C., & Dixon, F. W. (2007). Nancy Drew and the Hardy Boys Super Mystery: Terror on the Tour No. 1. Aladdin Paperbacks.
Lua i Stíl Chicago (17ú heag.)Keene, Carolyn, agus Franklin. W. Dixon. Nancy Drew and the Hardy Boys Super Mystery: Terror on the Tour No. 1. New York: Aladdin Paperbacks, 2007.
Lua MLA (9ú heag.)Keene, Carolyn, agus Franklin. W. Dixon. Nancy Drew and the Hardy Boys Super Mystery: Terror on the Tour No. 1. Aladdin Paperbacks, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.