Boswell, T., & Chase-Dunn, C. (2000). The spiral of capitalism and socialism: Toward global democracy. Lynne Rienner Publishers.
Lua i Stíl Chicago (17ú heag.)Boswell, Terry, agus Christopher Chase-Dunn. The Spiral of Capitalism and Socialism: Toward Global Democracy. United States of America: Lynne Rienner Publishers, 2000.
Lua MLA (9ú heag.)Boswell, Terry, agus Christopher Chase-Dunn. The Spiral of Capitalism and Socialism: Toward Global Democracy. Lynne Rienner Publishers, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.