Kay, J. F. (1994). Christus Praesens: A reconsideration of Rudolf Bultmann's Christology. William B.Eerdmans.
Lua i Stíl Chicago (17ú heag.)Kay, James F. Christus Praesens: A Reconsideration of Rudolf Bultmann's Christology. Grand Rapids: William B.Eerdmans, 1994.
Lua MLA (9ú heag.)Kay, James F. Christus Praesens: A Reconsideration of Rudolf Bultmann's Christology. William B.Eerdmans, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.