APA Zitierstil

Clarke, G. R. G., Groff, A., Walsh, P. P., Keefer, P., & Beck, T. (1999). New Tools and New Tests in Comparative Political Economy: The Database of Political Institutions. The World Bank.

Chicago Zitierstil

Clarke, George R. G., Alberto Groff, Patrick Paul Walsh, Philip Keefer, und Thorsten Beck. New Tools and New Tests in Comparative Political Economy: The Database of Political Institutions. Washington, D.C: The World Bank, 1999.

MLA Zitierstil

Clarke, George R. G., et al. New Tools and New Tests in Comparative Political Economy: The Database of Political Institutions. The World Bank, 1999.