Tidwell, M. F. (1961). Tested timed writings (2nd ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Tidwell, M. Fred. Tested Timed Writings. 2nd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1961.
Lua MLA (8ú heag.)Tidwell, M. Fred. Tested Timed Writings. 2nd ed. Prentice-Hall, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.