Head, R. V. A guide to packaged systems. Wiley-Interscience a division of John Wiley.
芝加哥风格引文Head, Robert V. A Guide to Packaged Systems. New York: Wiley-Interscience a division of John Wiley.
MLA引文Head, Robert V. A Guide to Packaged Systems. Wiley-Interscience a division of John Wiley.
警告：这些引文格式不一定是100％准确.