Cita APA (7a ed.)

Duff, L. (1997). The Economics of governments and markets: New directions in European public policy. Longman.

Cita Chicago Style (17a ed.)

Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. London, etc.: Longman, 1997.

Cita MLA (9a ed.)

Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. Longman, 1997.