Cassell, K. A., & Hiremath, U. (2011). Reference and information services in the 21st century: An introduction (2nd ed. rev.). Neal-Schuman Publishers.
芝加哥风格引文Cassell, Kay Ann, 与 Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. New York: Neal-Schuman Publishers, 2011.
MLA引文Cassell, Kay Ann, 与 Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. Neal-Schuman Publishers, 2011.
警告:这些引文格式不一定是100%准确.