Agarwal KC. (2001). Fundamentals of environmental biology. Nidhi.
芝加哥风格引文Agarwal KC. Fundamentals of Environmental Biology. Bikaner: Nidhi, 2001.
MLA引文Agarwal KC. Fundamentals of Environmental Biology. Nidhi, 2001.
警告：这些引文格式不一定是100％准确.
APA引文