Ford, D. (1989). The Modern Theologians: An Introduction to Christian Theology in the Twentieth century. Basil Blackwell.
Lua i Stíl Chicago (17ú heag.)Ford, David. The Modern Theologians: An Introduction to Christian Theology in the Twentieth Century. Basil Blackwell, 1989.
Lua MLA (8ú heag.)Ford, David. The Modern Theologians: An Introduction to Christian Theology in the Twentieth Century. Basil Blackwell, 1989.
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