Sharkey, M. (1976). The Sacramental principle in the Thought of John Henry Newman. Pontificia Universitas Gregoriana. Facultas Theologiae.
Cita Chicago Style (17a ed.)Sharkey, Michael. The Sacramental Principle in the Thought of John Henry Newman. Roma: Pontificia Universitas Gregoriana. Facultas Theologiae, 1976.
Cita MLA (9a ed.)Sharkey, Michael. The Sacramental Principle in the Thought of John Henry Newman. Pontificia Universitas Gregoriana. Facultas Theologiae, 1976.
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