Kretzmann, N. (1997). The metaphysics of theism: Aquinas's natural theology in Summa contra gentiles I. Clarendon Press ; Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Kretzmann, Norman. The Metaphysics of Theism: Aquinas's Natural Theology in Summa Contra Gentiles I. Oxford [England] : New York: Clarendon Press ; Oxford University Press, 1997.
Lua MLA (9ú heag.)Kretzmann, Norman. The Metaphysics of Theism: Aquinas's Natural Theology in Summa Contra Gentiles I. Clarendon Press ; Oxford University Press, 1997.
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