“Rings and Modules.” A Guide to Groups, Rings, and Fields, by Fernando Q. Gouvêa, 1st ed., vol. 48, Mathematical Association of America, 2012, pp. 107–220, www.jstor.org/stable/10.4169/j.ctt6wpw6p.9. Accessed 22 June 2021.
Gouvêa, F. (2012). Rings and Modules. In A Guide to Groups, Rings, and Fields (pp. 107-220). Mathematical Association of America. Retrieved June 22, 2021, from http://www.jstor.org/stable/10.4169/j.ctt6wpw6p.9
Gouvêa, Fernando Q. "Rings and Modules." In A Guide to Groups, Rings, and Fields, 107-220. Mathematical Association of America, 2012. Accessed June 22, 2021. http://www.jstor.org/stable/10.4169/j.ctt6wpw6p.9.
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