Ridpath, J. C. (1890). Cyclopaedia of universal history: Being an account of the principal events in the career of the human race from the beginning of civilization to the present time. Jones Bros. Pub. Co..
Lua i Stíl Chicago (17ú heag.)Ridpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Cincinnati: Jones Bros. Pub. Co., 1890.
Lua MLA (8ú heag.)Ridpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Jones Bros. Pub. Co., 1890.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.