Gupta, O. (1998). Modern weed management: With special reference to agriculture in the tropics ... Botanica.
芝加哥风格引文Gupta, O.P. Modern Weed Management: With Special Reference to Agriculture in the Tropics ... New Delhi: Botanica, 1998.
MLA引文Gupta, O.P. Modern Weed Management: With Special Reference to Agriculture in the Tropics ... Botanica, 1998.
警告：这些引文格式不一定是100％准确.