John XXIII, P. (1963). Apostolic constitution convoking the Second Vatican Ecumenical Council. National Catholic Welfare Conference.
Chicago-стиль цитированияJohn XXIII, Pope. Apostolic Constitution Convoking the Second Vatican Ecumenical Council. Washington: National Catholic Welfare Conference, 1963.
MLA-цитированиеJohn XXIII, Pope. Apostolic Constitution Convoking the Second Vatican Ecumenical Council. National Catholic Welfare Conference, 1963.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.