McGee, R. S. A literature survey of operational and emerging on-line library circulation systems. ERIC.
芝加哥风格引文McGee, Robert S. A Literature Survey of Operational and Emerging On-line Library Circulation Systems. Washington, D.C.: ERIC.
MLA引文McGee, Robert S. A Literature Survey of Operational and Emerging On-line Library Circulation Systems. ERIC.
警告：这些引文格式不一定是100％准确.