Bloesch, D. G. (1968). The crisis of piety: Essays towards a theology of the Christian life. William B.Eerdmans.
Lua i Stíl Chicago (17ú heag.)Bloesch, Donald G. The Crisis of Piety: Essays Towards a Theology of the Christian Life. Grand Rapids: William B.Eerdmans, 1968.
Lua MLA (9ú heag.)Bloesch, Donald G. The Crisis of Piety: Essays Towards a Theology of the Christian Life. William B.Eerdmans, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.