Roberts, R. A. J. (. A. J. Livestock and aquaculture insurance in developing countries.
Trích dẫn kiểu ChicagoRoberts, R. A. J. (Richard A. J.). Livestock and Aquaculture Insurance in Developing Countries.
MLA引文Roberts, R. A. J. (Richard A. J.). Livestock and Aquaculture Insurance in Developing Countries.
警告：这些引文格式不一定是100％准确.