Ciesla, W. M. (1998). Non-wood forest products from conifers. Food and Agriculture Organization of the United Nations.
芝加哥风格引文Ciesla, William M. Non-wood Forest Products from Conifers. Rome: Food and Agriculture Organization of the United Nations, 1998.
MLA引文Ciesla, William M. Non-wood Forest Products from Conifers. Food and Agriculture Organization of the United Nations, 1998.
警告：这些引文格式不一定是100％准确.