APA (7th ed.) Zitazioa

POSNER, M. (1977). Public expenditure: Allocation between competing ends. C.U.P..

Chicago Style (17th ed.) Zitazioa

POSNER, Michael. Public Expenditure: Allocation Between Competing Ends. Cambridge: C.U.P., 1977.

MLA (9th ed.) Zitazioa

POSNER, Michael. Public Expenditure: Allocation Between Competing Ends. C.U.P., 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.