Langer, H. (2002). America in quotations: A kaleidoscopic view of American history. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)Langer, Howard. America in Quotations: A Kaleidoscopic View of American History. Westport, Conn: Greenwood Press, 2002.
Lua MLA (9ú heag.)Langer, Howard. America in Quotations: A Kaleidoscopic View of American History. Greenwood Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.