Federico. (2001). Messages from heaven. Immaculate Heart Creations.
Lua i Stíl Chicago (17ú heag.)Federico. Messages from Heaven. Florida: Immaculate Heart Creations, 2001.
Lua MLA (8ú heag.)Federico. Messages from Heaven. Immaculate Heart Creations, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.