Anita Ganeri. (1999). The Children's Encyclopedia of Heaven (illustrated edition.). Houghton Mifflin Harcourt.
Lua i Stíl Chicago (17ú heag.)Anita Ganeri. The Children's Encyclopedia of Heaven. illustrated edition. Houghton Mifflin Harcourt, 1999.
Lua MLA (9ú heag.)Anita Ganeri. The Children's Encyclopedia of Heaven. illustrated edition. Houghton Mifflin Harcourt, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.