Gaya APA

Hoff,J.E., S. (). The idea of God and spirituality of C.S.Lewis. Excerpta ex dissertatione P.U.G. . Roma: 1969.

Gaya MLA

Hoff,J.E., S.J.. "The idea of God and spirituality of C.S.Lewis. Excerpta ex dissertatione P.U.G. ". Roma: 1969, . Buku.