Hughes, G. E., & Cresswell, M. J. (1996). A new introduction to modal logic. London ; New York.
Chicago Style CitationHughes, G. E., and M. J. Cresswell. A New Introduction to Modal Logic. London ; New York, 1996.
MLA引文Hughes, G. E., and M. J. Cresswell. A New Introduction to Modal Logic. London ; New York, 1996.
警告：这些引文格式不一定是100％准确.