APA (7 ম সংস্করণ) উদ্ধৃতি

O'Sullivan, H. (1991). Trends in mission: Toward the third millennium: essays in celebration of twenty-five years of SEDOS. Orbis Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

O'Sullivan, Helene. Trends in Mission: Toward the Third Millennium: Essays in Celebration of Twenty-five Years of SEDOS. Ney York: Orbis Books, 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

O'Sullivan, Helene. Trends in Mission: Toward the Third Millennium: Essays in Celebration of Twenty-five Years of SEDOS. Orbis Books, 1991.