Due, J. F. (1968). Government finance: Economics of the public sector. 4th ed. R.D. Irwin.
Chicago Style (17th ed.) ZitazioaDue, John Fitzgerald. Government Finance: Economics of the Public Sector. 4th Ed. Homewood: Ill.: R.D. Irwin, 1968.
MLA (9th ed.) ZitazioaDue, John Fitzgerald. Government Finance: Economics of the Public Sector. 4th Ed. R.D. Irwin, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.