Kristensen, L., & Stopes, C. (1995). Nitrogen leaching in ecological agriculture: Proceedings of an International Workshop, Royal Veterinary and Agricultural University, Copenhagen, Denmark. ABA.
芝加哥风格引文Kristensen, Lars, 与 Christopher Stopes. Nitrogen Leaching in Ecological Agriculture: Proceedings of an International Workshop, Royal Veterinary and Agricultural University, Copenhagen, Denmark. Bicester: ABA, 1995.
MLA引文Kristensen, Lars, 与 Christopher Stopes. Nitrogen Leaching in Ecological Agriculture: Proceedings of an International Workshop, Royal Veterinary and Agricultural University, Copenhagen, Denmark. ABA, 1995.
警告：这些引文格式不一定是100％准确.