Barrs, J. (1983). Shepherds and sheep. Inter Varsity.
Lua i Stíl Chicago (17ú heag.)Barrs, Jerram. Shepherds and Sheep. Illinois: Inter Varsity, 1983.
Lua MLA (9ú heag.)Barrs, Jerram. Shepherds and Sheep. Inter Varsity, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.