
International Tracing Service. (1977). Jahresbericht ... / ITS: = Annual report . ITS.
Style de citation ChicagoInternational Tracing Service. Jahresbericht ... / ITS: = Annual Report . Bad Arolsen: ITS, 1977.
Style de citation MLAInternational Tracing Service. Jahresbericht ... / ITS: = Annual Report . ITS, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.