Hjelmar, O. (2009). Treatment methods for waste to be landfilled. Nordic Council of Ministers.
芝加哥风格引文Hjelmar, Ole. Treatment Methods for Waste to Be Landfilled. Copenhagen: Nordic Council of Ministers, 2009.
MLA引文Hjelmar, Ole. Treatment Methods for Waste to Be Landfilled. Nordic Council of Ministers, 2009.
警告：这些引文格式不一定是100％准确.