Loader, J. A. (1979). Polar Structures in the Book of Qohelet: J. A. Loader. de Gruyter.
Lua i Stíl Chicago (17ú heag.)Loader, James Alfred. Polar Structures in the Book of Qohelet: J. A. Loader. Berlin [u.a.]: de Gruyter, 1979.
Lua MLA (8ú heag.)Loader, James Alfred. Polar Structures in the Book of Qohelet: J. A. Loader. de Gruyter, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.