Lloyd, S. (1961). Twin rivers: A brief history of Iraq from the earliest times to The present day. Oxford.
Chicago-referens (17:e uppl.)Lloyd, Seton. Twin Rivers: A Brief History of Iraq from the Earliest Times to The Present Day. Bombay: Oxford, 1961.
MLA-referens (9:e uppl.)Lloyd, Seton. Twin Rivers: A Brief History of Iraq from the Earliest Times to The Present Day. Oxford, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.