Catholic Church. Pope. (1963). Seven great encyclicals: Labor, education, marriage, reconstructing the social order, atheistic communism, world social problems, [and] world peace. Paulist Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Catholic Church. Pope. Seven Great Encyclicals: Labor, Education, Marriage, Reconstructing the Social Order, Atheistic Communism, World Social Problems, [and] World Peace. Glen Rock, N. J.: Paulist Press, 1963.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Catholic Church. Pope. Seven Great Encyclicals: Labor, Education, Marriage, Reconstructing the Social Order, Atheistic Communism, World Social Problems, [and] World Peace. Paulist Press, 1963.
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