Gaya APA

Treacy, G, C, (. (1955). Five great encyclicals: Labor, education, marriage, reconstructing the social order, atheistic communism. . New York: New York Paulist Press.

Gaya MLA

Treacy, Gerald, C., (ed.). "Five great encyclicals: Labor, education, marriage, reconstructing the social order, atheistic communism. ". New York: New York Paulist Press, 1955. Buku.