Gaya APA

Kristiyanto, A, E, , (. (1996). The workers' bishop: W.E. v. Ketteler (1811-1877). A study of Ketteler's vision and practice in responding to the labour question in the light of Christianity. . Yogyakarta: Yogyakarta Pontificia Universitas Gregoriana.

Gaya MLA

Kristiyanto, Antonius, Eddy, , (ed.). "The workers' bishop: W.E. v. Ketteler (1811-1877). A study of Ketteler's vision and practice in responding to the labour question in the light of Christianity. ". Yogyakarta: Yogyakarta Pontificia Universitas Gregoriana, 1996. Buku.