Benson, P. L., & Williams, D. L. (1987). Determining needs in your youth ministry. Group books.
芝加哥风格引文Benson, Peter L., 与 Dorothy L. Williams. Determining Needs in Your Youth Ministry. Loveland: Group books, 1987.
MLA引文Benson, Peter L., 与 Dorothy L. Williams. Determining Needs in Your Youth Ministry. Group books, 1987.
警告：这些引文格式不一定是100％准确.