1. Abbe, G. (1938). Voices in the square. New York: Coward-McCann.
2. Asquith, G. H. (1980). The case study method of Anton T. Boisen. Journal of Pastoral Care, 34, 84–94.
3. Barth, K. (1995). The theology of John Calvin. (G. W. Bromiley, Trans.). Grand Rapids: William E. Eerdmans. (Original work published 1922).
4. Bassler, J. M. (1985). Luke and Paul on impartiality. Biblica, 66, 546–552.
5. Boisen, A. T. (1946). Problems in religion and life: A manual for pastors. New York: Abingdon-Cokesbury Press.