Schwan, M., Bergan, J. S., & Campbell, D. P. (1980). Peace: A guide for prayer. Center for Christian Renewal.
Lua i Stíl Chicago (17ú heag.)Schwan, Marie, Jacqueline Syrup Bergan, agus Donna Pierce Campbell. Peace: A Guide for Prayer. Crookston, MN: Center for Christian Renewal, 1980.
Lua MLA (8ú heag.)Schwan, Marie, et al. Peace: A Guide for Prayer. Center for Christian Renewal, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.