Shaull, R. (1984). Heralds of a new reformation: The poor of South and North America. Orbis Books.
Lua i Stíl Chicago (17ú heag.)Shaull, Richard. Heralds of a New Reformation: The Poor of South and North America. Maryknoll, N.Y.: Orbis Books, 1984.
Lua MLA (8ú heag.)Shaull, Richard. Heralds of a New Reformation: The Poor of South and North America. Orbis Books, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.