Kraan, D. -. J. (1996). Budgetary decisions: A public choice approach. Cambridge.
Lua i Stíl Chicago (17ú heag.)Kraan, Dirk - Jan. Budgetary Decisions: A Public Choice Approach. New York: Cambridge, 1996.
Lua MLA (9ú heag.)Kraan, Dirk - Jan. Budgetary Decisions: A Public Choice Approach. Cambridge, 1996.
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