TUMMINIA, Diana. How Prophecy Never Fails: Interpretive Reason in a Flying-Saucer Group. Sociology of Religion. 22/1998, roč. 59, čís. 2, s. 157. Dostupné online [cit. 2020-02-06]. doi:10.2307/3712078.
finalcall.com
The divine destruction of America: Can she avert it?. www.finalcall.com [online]. [cit. 2020-02-06]. Dostupné online.
oup.com
academic.oup.com
TUMMINIA, Diana. How Prophecy Never Fails: Interpretive Reason in a Flying-Saucer Group. Sociology of Religion. 22/1998, roč. 59, čís. 2, s. 157. Dostupné online [cit. 2020-02-06]. doi:10.2307/3712078.