Seaver, C. H. (1934). Civics of today. Benj. H. Sanborn & Co..
Lua i Stíl Chicago (17ú heag.)Seaver, Charles Hill. Civics of Today. Chicago : New York [etc.]: Benj. H. Sanborn & Co., 1934.
Lua MLA (8ú heag.)Seaver, Charles Hill. Civics of Today. Benj. H. Sanborn & Co., 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.