Lua APA (7ú heag.)
Goodlad, G. (2007). Oliver Cromwell. Humanities-Ebooks.
Lua i Stíl Chicago (17ú heag.)
Goodlad, Graham. Oliver Cromwell. Tirril [England]: Humanities-Ebooks, 2007.
Lua MLA (9ú heag.)
Goodlad, Graham. Oliver Cromwell. Humanities-Ebooks, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.