Duff, L. (1997). The economics of governments and markets: New directions in European public policy. Longman.
Lua i Stíl Chicago (17ú heag.)Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. London: Longman, 1997.
Lua MLA (9ú heag.)Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. Longman, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.