Williamson, T. (1992). ON INTUITIONISTIC MODAL EPISTEMIC LOGIC.
芝加哥风格引文Williamson, T. ON INTUITIONISTIC MODAL EPISTEMIC LOGIC. 1992.
MLA引文Williamson, T. ON INTUITIONISTIC MODAL EPISTEMIC LOGIC. 1992.
警告：这些引文格式不一定是100％准确.
APA引文