Callahan, K. L. (1990). Effective church leadership: Building on the twelve keys. Jossey-Bass.
芝加哥风格引文Callahan, Kennon L. Effective Church Leadership: Building on the Twelve Keys. San Francisco: Jossey-Bass, 1990.
MLA引文Callahan, Kennon L. Effective Church Leadership: Building on the Twelve Keys. Jossey-Bass, 1990.
警告：这些引文格式不一定是100％准确.