APA (7e ed.) Bronvermelding
O'Sullivan, H. (1991). Trends in mission: Toward the third millennium: essays in celebration of twenty-five years of SEDOS. Orbis Books.
Chicago (17e ed.) Bronvermelding
O'Sullivan, Helene. Trends in Mission: Toward the Third Millennium: Essays in Celebration of Twenty-five Years of SEDOS. Ney York: Orbis Books, 1991.
MLA (9e ed.) Bronvermelding
O'Sullivan, Helene. Trends in Mission: Toward the Third Millennium: Essays in Celebration of Twenty-five Years of SEDOS. Orbis Books, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.