Gaya APA

Frei, E. (2019). Signed in blood : Negotiating with Superiors General about the overseas missions. . St Louis: St Louis Seminar on Jesuit Spirituality.

Gaya MLA

Frei, Elisa. "Signed in blood : Negotiating with Superiors General about the overseas missions. ". St Louis: St Louis Seminar on Jesuit Spirituality, 2019. Buku.