Knill, C., & Tosun Jale. (2020). Public policy: A new introduction (2nd ed.). Macmillan international higher education.
Lua i Stíl Chicago (17ú heag.)Knill, Christoph, agus Tosun Jale. Public Policy: A New Introduction. 2nd ed. London: Macmillan international higher education, 2020.
Lua MLA (9ú heag.)Knill, Christoph, agus Tosun Jale. Public Policy: A New Introduction. 2nd ed. Macmillan international higher education, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.