ebrary, Inc, Brookfield, H. C., Parsons, H., & Brookfield, M. (2003). Agrodiversity: Learning from farmers across the world. United Nations University Press : UNEP : GEF.
芝加哥风格引文ebrary, Inc, H. C. Brookfield, Helen Parsons, 与 Muriel Brookfield. Agrodiversity: Learning from Farmers Across the World. Tokyo ; New York: United Nations University Press : UNEP : GEF, 2003.
MLA引文ebrary, Inc, et al. Agrodiversity: Learning from Farmers Across the World. United Nations University Press : UNEP : GEF, 2003.
警告：这些引文格式不一定是100％准确.