Leonard, K. (2009). Quality enhancement in voluntary carbon markets: Opening up for mainstream. Diplomica Verlag.
芝加哥风格引文Leonard, Kathleen. Quality Enhancement in Voluntary Carbon Markets: Opening Up for Mainstream. Hamburg [Germany]: Diplomica Verlag, 2009.
MLA引文Leonard, Kathleen. Quality Enhancement in Voluntary Carbon Markets: Opening Up for Mainstream. Diplomica Verlag, 2009.
警告：这些引文格式不一定是100％准确.