Kennedy, E. The Case of the Frozen Hearts. Puffin Books.
Lua i Stíl Chicago (17ú heag.)Kennedy, Emma. The Case of the Frozen Hearts. Puffin Books.
Lua MLA (8ú heag.)Kennedy, Emma. The Case of the Frozen Hearts. Puffin Books.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.