Singh, K. (2000). Plant productivity under environmental stress. Agrobios.
芝加哥风格引文Singh, Karan. Plant Productivity Under Environmental Stress. Jodhpur: Agrobios, 2000.
MLA引文Singh, Karan. Plant Productivity Under Environmental Stress. Agrobios, 2000.
警告：这些引文格式不一定是100％准确.