Dye, T. R. (1998). Understanding public policy (9th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Dye, Thomas R. Understanding Public Policy. 9th ed. Upper Saddle River, N.J.: Prentice Hall, 1998.
Lua MLA (8ú heag.)Dye, Thomas R. Understanding Public Policy. 9th ed. Prentice Hall, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.