U.S.A, n. E.. (1976). Issues and Themes: Essays in American history an civilization. U.S.I.S.
Lua i Stíl Chicago (17ú heag.)U.S.A, national Endowment. Issues and Themes: Essays in American History an Civilization. Delhi: U.S.I.S, 1976.
Lua MLA (9ú heag.)U.S.A, national Endowment. Issues and Themes: Essays in American History an Civilization. U.S.I.S, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.