HAX ARNOLD C. (2001). DELTA PROJECT: DISCOVERING NEW SOURCES OF..........ECONOMY. PALGRAVE MACMILLAN.
Lua i Stíl Chicago (17ú heag.)HAX ARNOLD C. DELTA PROJECT: DISCOVERING NEW SOURCES OF..........ECONOMY. NEW YORK: PALGRAVE MACMILLAN, 2001.
Lua MLA (9ú heag.)HAX ARNOLD C. DELTA PROJECT: DISCOVERING NEW SOURCES OF..........ECONOMY. PALGRAVE MACMILLAN, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.