Wuthnow, Robert: The World of FundamentalismThe Christian Century. 1992. The Christian Century Foundation / Religion Online. Arkistoitu 24.4.2008. Viitattu 13.2.2011. (englanniksi)
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Wuthnow, Robert: The World of FundamentalismThe Christian Century. 1992. The Christian Century Foundation / Religion Online. Arkistoitu 24.4.2008. Viitattu 13.2.2011. (englanniksi)