Eastman, A. M. (1977). The Norton reader: An anthology of expository prose (4th ed.). Norton.
Lua i Stíl Chicago (17ú heag.)Eastman, Arthur M. The Norton Reader: An Anthology of Expository Prose. 4th ed. New York: Norton, 1977.
Lua MLA (9ú heag.)Eastman, Arthur M. The Norton Reader: An Anthology of Expository Prose. 4th ed. Norton, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.