Matz, B. J. (2008). Quadragesimo anno (1931). Patristic sources and Catholic social teaching: a forgotten dimension, 22-24.
Cita Chicago Style (17a ed.)Matz, Brian J. "Quadragesimo Anno (1931)." Patristic Sources and Catholic Social Teaching: A Forgotten Dimension 2008: 22-24.
Cita MLA (9a ed.)Matz, Brian J. "Quadragesimo Anno (1931)." Patristic Sources and Catholic Social Teaching: A Forgotten Dimension, 2008, pp. 22-24.
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