Agarwal KC. (2001). Fundamentals of environmental biology. Nidhi.
Chicago Style (17th ed.) CitationAgarwal KC. Fundamentals of Environmental Biology. Bikaner: Nidhi, 2001.
MLA引文Agarwal KC. Fundamentals of Environmental Biology. Nidhi, 2001.
警告:這些引文格式不一定是100%准確.