Chhatwal, G. (1994). Encyclopaedic history of science and technology.: History of Biology. Anmol publications.
芝加哥风格引文Chhatwal, G.R. Encyclopaedic History of Science and Technology.: History of Biology. New Delhi: Anmol publications, 1994.
MLA引文Chhatwal, G.R. Encyclopaedic History of Science and Technology.: History of Biology. Anmol publications, 1994.
警告：这些引文格式不一定是100％准确.