Roche, C. (1999). Impact assessment for development agencies: Learning to value change. Oxfam.
芝加哥风格引文Roche, Chris. Impact Assessment for Development Agencies: Learning to Value Change. Oxford: Oxfam, 1999.
MLA引文Roche, Chris. Impact Assessment for Development Agencies: Learning to Value Change. Oxfam, 1999.
警告：这些引文格式不一定是100％准确.