(2009). Information and documentation - Performance indicators for national libraries (1. ed.). ISO, International Organization for Standardization.
Chicago-Zitierstil (17. Ausg.)Information and Documentation - Performance Indicators for National Libraries. 1. ed. Genève: ISO, International Organization for Standardization, 2009.
MLA-Zitierstil (9. Ausg.)Information and Documentation - Performance Indicators for National Libraries. 1. ed. ISO, International Organization for Standardization, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.