Minahan, James (2002) Encyclopedia of the Stateless Nations: S-Z (Volume 4 of Encyclopedia of the Stateless Nations: Ethnic and National Groups Around the World) Greenwood Publishing Group, Westport, Connecticut, page 1765Архивная копия от 12 мая 2016 на Wayback Machine, ISBN 978-0-313-32384-3
Minahan, James (2002) Encyclopedia of the Stateless Nations: S-Z (Volume 4 of Encyclopedia of the Stateless Nations: Ethnic and National Groups Around the World) Greenwood Publishing Group, Westport, Connecticut, page 1765Архивная копия от 12 мая 2016 на Wayback Machine, ISBN 978-0-313-32384-3