Gruber, J. Public Finance and Public Policy (5th ed.). Worth.
Lua i Stíl Chicago (17ú heag.)Gruber, Jonathan. Public Finance and Public Policy. 5th ed. New York: Worth.
Lua MLA (9ú heag.)Gruber, Jonathan. Public Finance and Public Policy. 5th ed. Worth.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.