Acton, Thomas A. (2014) New religious movements among Roma, Gypsies and travellers: Placing Romani Pentecostalism in an historical and social context. In: Thurjfell, David and Marsh, Adrian, (eds.) Romani Pentecostalism: Gypsies and Charismatic Christianity. Peter Lang GmbH, Frankfurt am Main, Germany, pp. 23-30. ISBN 978-3-631-64885-8