(1990). IFLA General Conference, 1990. Division of General Research Libraries: Open Forum; Section of National Libraries; Section of University Libraries and Other General Research Libraries; Section of Parliamentary Libraries. Booklet 1.
Chicago-Zitierstil (17. Ausg.)IFLA General Conference, 1990. Division of General Research Libraries: Open Forum; Section of National Libraries; Section of University Libraries and Other General Research Libraries; Section of Parliamentary Libraries. Booklet 1. 1990.
MLA-Zitierstil (9. Ausg.)IFLA General Conference, 1990. Division of General Research Libraries: Open Forum; Section of National Libraries; Section of University Libraries and Other General Research Libraries; Section of Parliamentary Libraries. Booklet 1. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.