Gruber, J. Public Finance and Public Policy (5th ed.). Worth.
Cita Chicago (17th ed.)Gruber, Jonathan. Public Finance and Public Policy. 5th ed. New York: Worth.
Cita MLA (9th ed.)Gruber, Jonathan. Public Finance and Public Policy. 5th ed. Worth.
Atenció: Aquestes cites poden no estar 100% correctes.