APA (7 ম সংস্করণ) উদ্ধৃতি

John XXIII, P. (1963). Apostolic constitution convoking the Second Vatican Ecumenical Council. National Catholic Welfare Conference.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

John XXIII, Pope. Apostolic Constitution Convoking the Second Vatican Ecumenical Council. Washington: National Catholic Welfare Conference, 1963.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

John XXIII, Pope. Apostolic Constitution Convoking the Second Vatican Ecumenical Council. National Catholic Welfare Conference, 1963.