(Ingelesez)NW, 1615 L. St; Suite 800Washington; Inquiries, DC 20036USA202-419-4300 | Main202-857-8562 | Fax202-419-4372 | Media. (2015-04-02). «Religious Composition by Country, 2010-2050»Pew Research Center's Religion & Public Life Project(Noiz kontsultatua: 2022-04-27).
Draper, Paul. (2022). Zalta, Edward N. ed. «Atheism and Agnosticism»The Stanford Encyclopedia of Philosophy (Metaphysics Research Lab, Stanford University) (Noiz kontsultatua: 2022-04-27).