ebrary, Inc, & Lee, J. (2009). Commutative rings: New research. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 John Lee. Commutative Rings: New Research. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, 与 John Lee. Commutative Rings: New Research. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.