Ludlow, P. (1999). Semantics, tense, and time: An essay in the metaphysics of natural language. MIT Press.
芝加哥风格引文Ludlow, Peter. Semantics, Tense, and Time: An Essay in the Metaphysics of Natural Language. Cambridge, Mass.: MIT Press, 1999.
MLA引文Ludlow, Peter. Semantics, Tense, and Time: An Essay in the Metaphysics of Natural Language. MIT Press, 1999.
警告：这些引文格式不一定是100％准确.