Roehlkepartain, E. C. (1989). Youth ministry in city churches. Group Books.
芝加哥风格引文Roehlkepartain, Eugene C. Youth Ministry in City Churches. Loveland: Group Books, 1989.
MLA引文Roehlkepartain, Eugene C. Youth Ministry in City Churches. Group Books, 1989.
警告：这些引文格式不一定是100％准确.