^Ayres, B. Drummond, Jr. Families Learning of 39 Cultists Who Died Willingly. New York Times. March 29, 1997 [2008-11-09]. (原始内容存档于2020-04-20). According to material the group posted on its Internet site, the timing of the suicides were probably related to the arrival of the Hale–Bopp comet, which members seemed to regard as a cosmic emissary beckoning them to another world.
^Vallee, Jacques, Messengers of Deception: UFO Contacts and Cults. Ronin, 1979.
^"And I will appoint my two witnesses, and they will prophesy for 1,260 days, clothed in sackcloth." Bible Gateway (页面存档备份,存于互联网档案馆)
^Partridge, Christopher, Introduction to World Religions (Fortress, 2005), entry on "UFO Religions, Human Potential and the New Age", p. 444.
^Wojik, Daniel, "Apocalyptic and Millenarian Aspects of American UFOism", in Partridge, Christopher, ed., UFO Religions. Routledge, 2003, p. 274.
^Balch, Robert. Making Sense of the Heaven's Gate Suicides. Bromley, David G.; Melton, J. Gordon (编). Cults, Religion, and Violence. New York: Cambridge University Press. 2002: 211.
^"The Marker We've Been... Waiting For" (页面存档备份,存于互联网档案馆), by Elizabeth Gleick, Cathy Booth and James Willwerth (Rancho Santa Fe); Nancy Harbert (Albuquerque); Rachele Kanigal (Oakland) and Richard N. Ostling and Noah Robischon (New York). 時代雜誌. Monday, April 7, 1997.
^Purdum, Todd S. Ex-Cultist Dies In Suicide Pact; 2d Is 'Critical'. The New York Times. May 7, 1997 [2007-10-21]. (原始内容存档于2020-07-24). A former member of the Heaven's Gate cult was found dead today in a copycat suicide in a motel room near the scene of the group's mass suicide in San Diego County, and another former member was found unconscious in the same room, the authorities said.
^Vallee, Jacques. Messengers of Deception: UFO Contacts and Cults. Ronin. 1979.
^Gardetta, Dave. They Walk Among Us. LA Weekly. 21 January 1994 [2007-08-23]. (原始内容存档于2007-03-28).
Lewis, James R. Legitimating Suicide: Heaven's Gate and New Age Ideology. Partridge, Christopher (编). UFO Religions. Psychology Press. 2003. ISBN 978-0-415-26324-5(英语).
延伸阅读
Chryssides, George D. (编). Heaven's Gate: Postmodernity and Popular Culture In A Suicide Group. Ashgate Publishing. 2011. ISBN 978-0-7546-6374-4.