Centre for the Study of Religion and Communism (2003). Religion in communist lands, Volume 31. Centre for the Study of Religion and Communism. p. 13. Consultado el 30 de noviembre de 2010.
Centre for the Study of Religion and Communism (2003). Religion in communist lands, Volume 31. Centre for the Study of Religion and Communism. p. 14. Consultado el 30 de noviembre de 2010.