Sapin, K. (2013). Essential skills for youth work practice (Second edition.). SAGE.
芝加哥风格引文Sapin, Kate. Essential Skills for Youth Work Practice. Second edition. Los Angeles, California ; London: SAGE, 2013.
MLA引文Sapin, Kate. Essential Skills for Youth Work Practice. Second edition. SAGE, 2013.
警告：这些引文格式不一定是100％准确.