Lua APA (7ú heag.)

Ferguson, J. H., & McHenry, D. E. (1950). Elements of American government. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Ferguson, John Henry, agus Dean Eugene McHenry. Elements of American Government. New York: McGraw-Hill, 1950.

Lua MLA (8ú heag.)

Ferguson, John Henry, agus Dean Eugene McHenry. Elements of American Government. McGraw-Hill, 1950.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.