Veldhuis, R. (1975). Realism versus utopianism?: Reinhold Niebuhr's Christian realism and the relevance of utopian thought for social ethics. Van Gorcum.
Chicago-referens (17:e uppl.)Veldhuis, Ruurd. Realism Versus Utopianism?: Reinhold Niebuhr's Christian Realism and the Relevance of Utopian Thought for Social Ethics. Assen: Van Gorcum, 1975.
MLA-referens (8:e uppl.)Veldhuis, Ruurd. Realism Versus Utopianism?: Reinhold Niebuhr's Christian Realism and the Relevance of Utopian Thought for Social Ethics. Van Gorcum, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.