Bevans, S. B., & Schroeder, R. (2004). Constants in context: A theology of mission for today. Orbis Books.
Lua i Stíl Chicago (17ú heag.)Bevans, Stephen B., agus Roger Schroeder. Constants in Context: A Theology of Mission for Today. Maryknoll, N.Y.: Orbis Books, 2004.
Lua MLA (9ú heag.)Bevans, Stephen B., agus Roger Schroeder. Constants in Context: A Theology of Mission for Today. Orbis Books, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.