GYMER, R. G. (1977). Chemistry in the natural world. D.C. Heat and Company.
芝加哥风格引文GYMER, Roger G. Chemistry in the Natural World. Lexington: D.C. Heat and Company, 1977.
MLA引文GYMER, Roger G. Chemistry in the Natural World. D.C. Heat and Company, 1977.
警告：这些引文格式不一定是100％准确.