Shulman, L. (2012). The skills of helping individuals, families, groups, and communities. (International ed.).
芝加哥风格引文Shulman, Lawrence. The Skills of Helping Individuals, Families, Groups, and Communities. International ed. 2012.
MLA引文Shulman, Lawrence. The Skills of Helping Individuals, Families, Groups, and Communities. International ed. 2012.
警告：这些引文格式不一定是100％准确.