Gruss, E. C. (1994). The ouija board: A doorway to the occult (ed.). P & R publishers.
Chicago-čujuhus (17. p.)Gruss, Edmond C. The Ouija Board: A Doorway to the Occult. ed. New Jersey: P & R publishers, 1994.
MLA-čujuhus (9. p.)Gruss, Edmond C. The Ouija Board: A Doorway to the Occult. ed. P & R publishers, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.