Gaya APA

Yarnold, E, S. (1982). They are in earnest: Christian unity in the statements of Paul VI, John Paul I, John Paul II, foreword by the Archbishop of Canterbury. . [Slough]: StPaul Publications.

Gaya MLA

Yarnold, Edward,, S.J.. "They are in earnest: Christian unity in the statements of Paul VI, John Paul I, John Paul II, foreword by the Archbishop of Canterbury. ". [Slough]: StPaul Publications, 1982. Buku.