Hughes, R. O. (1935). Economic citizenship. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Hughes, R. O. Economic Citizenship. Boston : New York [etc.]: Allyn and Bacon, 1935.
Lua MLA (8ú heag.)Hughes, R. O. Economic Citizenship. Allyn and Bacon, 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.