European Centre for Parliamentary Research and Documentation & Englefield, D. J. T. (1990). Parliamentary libraries and information services: A directory of the member legislatures of the European Communities and the Council of Europe. Camera dei deputati.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Centre for Parliamentary Research and Documentation και Dermot J. T. Englefield. Parliamentary Libraries and Information Services: A Directory of the Member Legislatures of the European Communities and the Council of Europe. Roma: Camera dei deputati, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)European Centre for Parliamentary Research and Documentation και Dermot J. T. Englefield. Parliamentary Libraries and Information Services: A Directory of the Member Legislatures of the European Communities and the Council of Europe. Camera dei deputati, 1990.
