van der Ploeg, F. (2007). Prudent Budgetary Policy: Political Economy of Precautionary Taxation. CESifo Group Munich.
Chicago Style aipamenavan der Ploeg, F. Prudent Budgetary Policy: Political Economy of Precautionary Taxation. CESifo Group Munich, 2007.
MLA aipamenavan der Ploeg, F. Prudent Budgetary Policy: Political Economy of Precautionary Taxation. CESifo Group Munich, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.