Draper, J. T. (1981). Ecclesiastes: The life with God. Tyndale publishing house.
Lua i Stíl Chicago (17ú heag.)Draper, James T. Ecclesiastes: The Life with God. Illinois: Tyndale publishing house, 1981.
Lua MLA (9ú heag.)Draper, James T. Ecclesiastes: The Life with God. Tyndale publishing house, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.