Penetar, M. P. (1952). The social thought of the Catholic worker on the Negro. Catholic University of America Press.
Chicago Style (17. basım) AtıfPenetar, Michael P. The Social Thought of the Catholic Worker on the Negro. Washington: Catholic University of America Press, 1952.
MLA (8th ed.) AtıfPenetar, Michael P. The Social Thought of the Catholic Worker on the Negro. Catholic University of America Press, 1952.
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