Callahan, K. L. (1990). Effective church leadership: Building on the twelve keys. Jossey-Bass.
Chicagoスタイル(17版)引用形式Callahan, Kennon L. Effective Church Leadership: Building on the Twelve Keys. San Francisco: Jossey-Bass, 1990.
MLA(9版)引用形式Callahan, Kennon L. Effective Church Leadership: Building on the Twelve Keys. Jossey-Bass, 1990.
警告: この引用は必ずしも正確ではありません.