Gaya APA
Barth, K. (1967).
Call for God, new sermons from Basel prison, transl.by A.T.Mackay : Rufe Mich an : 1965 .
London:
SCM Press.
Gaya MLA
Barth, K..
"Call for God, new sermons from Basel prison, transl.by A.T.Mackay : Rufe Mich an : 1965 ".
London:
SCM Press,
1967.
Buku.