Westermann, C. (1969). Isaiah 40-66: A commentary. Westminster Press.
Lua i Stíl Chicago (17ú heag.)Westermann, Claus. Isaiah 40-66: A Commentary. Philadelphia: Westminster Press, 1969.
Lua MLA (9ú heag.)Westermann, Claus. Isaiah 40-66: A Commentary. Westminster Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.