Barth, K. (1981). The Christian life: Church dogmatics iv,4 lecture fragments. Wm .B Eerdmans.
Citazione stile Chigago Style (17a edizione)Barth, Karl. The Christian Life: Church Dogmatics Iv,4 Lecture Fragments. Grand Rapids: Wm .B Eerdmans, 1981.
Citatione MLA (9a ed.)Barth, Karl. The Christian Life: Church Dogmatics Iv,4 Lecture Fragments. Wm .B Eerdmans, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.