Richardson, J. (2003). Possessions: The history and uses of haunting in the Hudson Valley. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Richardson, Judith. Possessions: The History and Uses of Haunting in the Hudson Valley. Cambridge, Mass.: Harvard University Press, 2003.
Lua MLA (9ú heag.)Richardson, Judith. Possessions: The History and Uses of Haunting in the Hudson Valley. Harvard University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.