Whitney, D. S. (1991). Spiritual disciplines for the Christian life. Navpress.
芝加哥风格引文Whitney, Donald S. Spiritual Disciplines for the Christian Life. Colorado: Navpress, 1991.
MLA引文Whitney, Donald S. Spiritual Disciplines for the Christian Life. Navpress, 1991.
警告：这些引文格式不一定是100％准确.