Stone, D., & Ullrich, H. (2003). Policy research institutes and think tanks in Western Europe: Development trends and perspectives. Local Government and Public Service Reform Initiative. Open Society Institute.
Chicago-Zitierstil (17. Ausg.)Stone, Diane, und Heidi Ullrich. Policy Research Institutes and Think Tanks in Western Europe: Development Trends and Perspectives. Budapest: Local Government and Public Service Reform Initiative. Open Society Institute, 2003.
MLA-Zitierstil (9. Ausg.)Stone, Diane, und Heidi Ullrich. Policy Research Institutes and Think Tanks in Western Europe: Development Trends and Perspectives. Local Government and Public Service Reform Initiative. Open Society Institute, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.