Frost, R. T. (1961). Cases in state and local government. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Frost, Richard T. Cases in State and Local Government. Englewood Cliffs, N.J: Prentice-Hall, 1961.
Lua MLA (9ú heag.)Frost, Richard T. Cases in State and Local Government. Prentice-Hall, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.