Hartman, W. J. (1987). Five audiences: Identifying groups in your church. Abingdon.
芝加哥风格引文Hartman, Warren J. Five Audiences: Identifying Groups in Your Church. Nashville: Abingdon, 1987.
MLA引文Hartman, Warren J. Five Audiences: Identifying Groups in Your Church. Abingdon, 1987.
警告：这些引文格式不一定是100％准确.