↑ J. Gordon Melton biên tập (2001). “Black Magic”. Encyclopedia of Occultism & Parapsychology. Vol 1: A–L . Gale Research Inc. ISBN0-8103-9488-X. |volume= has extra text (trợ giúp)
↑ Jesper Aagaard Petersen (2009). Contemporary religious Satanism: A Critical Anthology. Ashgate Publishing, Ltd. tr. 220. ISBN0-7546-5286-6.
