Gaya APA

Bühlmann, W, O, C. (1978). The missions on trial Addis Ababa 1980, a moral for the future from the archives of today. . [Slough]: StPaul Publications.

Gaya MLA

Bühlmann, Walbert,, OFM, Cap.. "The missions on trial Addis Ababa 1980, a moral for the future from the archives of today. ". [Slough]: StPaul Publications, 1978. Buku.