Gaya APA

Welty, E, O. ( (1960-1963)). A handbook of christian social ethics, transl.by G.Kirstein O.P. : Herder Sozialkatechismus, 1952 dsl. Djilid2 selandjutnja tak akan terbit. . Freiburg dsl: Herder dsl.

Gaya MLA

Welty, E.,, O.P.. "A handbook of christian social ethics, transl.by G.Kirstein O.P. : Herder Sozialkatechismus, 1952 dsl. Djilid2 selandjutnja tak akan terbit. ". Freiburg dsl: Herder dsl, (1960-1963). Buku.