(1969). Selected readings in American history. Vol. 2. Charles Scribner's.
Lua i Stíl Chicago (17ú heag.)Selected Readings in American History. Vol. 2. New York: Charles Scribner's, 1969.
Lua MLA (9ú heag.)Selected Readings in American History. Vol. 2. Charles Scribner's, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.