Gaya APA

Wrenn, M, J. (1991). Catechisms and controversies: Religious education in the postconciliar years. Foreword by John O'Connor. . San Francisco: San Francisco Ignatius Press.

Gaya MLA

Wrenn, Michael, J.. "Catechisms and controversies: Religious education in the postconciliar years. Foreword by John O'Connor. ". San Francisco: San Francisco Ignatius Press, 1991. Buku.