British Library. (1997). The UKMARC exchange record format. British Library.
Cita Chicago Style (17a ed.)British Library. The UKMARC Exchange Record Format. Boston Spa: British Library, 1997.
Cita MLA (9a ed.)British Library. The UKMARC Exchange Record Format. British Library, 1997.
Precaución: Estas citas no son 100% exactas.