(2002). Seventy-seventh annual report: 2001. Oxford Forestry Institute, University of Oxford.
芝加哥风格引文Seventy-seventh Annual Report: 2001. Oxford Forestry Institute, University of Oxford, 2002.
MLA引文Seventy-seventh Annual Report: 2001. Oxford Forestry Institute, University of Oxford, 2002.
警告：这些引文格式不一定是100％准确.