Pattee, F. L. (1968). A history of american literature since 1870. Cooper Square.
Lua i Stíl Chicago (17ú heag.)Pattee, Fred Lewis. A History of American Literature Since 1870. New York: Cooper Square, 1968.
Lua MLA (8ú heag.)Pattee, Fred Lewis. A History of American Literature Since 1870. Cooper Square, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.