Howard, D. M. (1970). Student power in world evangelism. Inter-varsity.
芝加哥风格引文Howard, David M. Student Power in World Evangelism. Downers Grove: Inter-varsity, 1970.
MLA引文Howard, David M. Student Power in World Evangelism. Inter-varsity, 1970.
警告：这些引文格式不一定是100％准确.