APA-referens (7:e uppl.)
Johnston, R. H. W. (2003). Century of endeavour: A biographical and autobiographical view of the 20th century in Ireland. Academica Press.
Chicago-referens (17:e uppl.)
Johnston, Roy H. W. Century of Endeavour: A Biographical and Autobiographical View of the 20th Century in Ireland. Bethesda, Md.: Academica Press, 2003.
MLA-referens (9:e uppl.)
Johnston, Roy H. W. Century of Endeavour: A Biographical and Autobiographical View of the 20th Century in Ireland. Academica Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.