Gaya APA

Bonhoeffer, D. (-1966). Ethics, ed.by E.Bethge, transl.by M.Herton Smith, (repr). - Fontana, 1043 L. : Ethik. 1949. . (London): Collins.

Gaya MLA

Bonhoeffer, D.(1906-1945). "Ethics, ed.by E.Bethge, transl.by M.Herton Smith, (repr). - Fontana, 1043 L. : Ethik. 1949. ". (London): Collins, -1966. Buku.