Keene, C. (2015). Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. Aladdin Paperbacks.
Lua i Stíl Chicago (17ú heag.)Keene, Carolyn. Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. New York: Aladdin Paperbacks, 2015.
Lua MLA (9ú heag.)Keene, Carolyn. Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. Aladdin Paperbacks, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.