Gaya APA

Powell, J, S. (). A theology of the apostolate of the Church based on the writings of Pope Pius XII. Excerpta ex dissertatione P.U.G. . Chicago: 1961.

Gaya MLA

Powell, John,, S.J.. "A theology of the apostolate of the Church based on the writings of Pope Pius XII. Excerpta ex dissertatione P.U.G. ". Chicago: 1961, . Buku.