Collin, R. H. (1972). Theodore Roosevelt and reform politics. Heath.
Lua i Stíl Chicago (17ú heag.)Collin, Richard H. Theodore Roosevelt and Reform Politics. Lexington, Mass.: Heath, 1972.
Lua MLA (8ú heag.)Collin, Richard H. Theodore Roosevelt and Reform Politics. Heath, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.