Hill, D. J. (1877). The science of rhetoric: An introduction to the law of effective discourse. Sheldon & Co..
Lua i Stíl Chicago (17ú heag.)Hill, David Jayne. The Science of Rhetoric: An Introduction to the Law of Effective Discourse. New York: Sheldon & Co., 1877.
Lua MLA (8ú heag.)Hill, David Jayne. The Science of Rhetoric: An Introduction to the Law of Effective Discourse. Sheldon & Co., 1877.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.