Plantinga, A. (1993). Warrant and proper function. Oxford University Press.
芝加哥风格引文Plantinga, Alvin. Warrant and Proper Function. New York: Oxford University Press, 1993.
MLA引文Plantinga, Alvin. Warrant and Proper Function. Oxford University Press, 1993.
警告：这些引文格式不一定是100％准确.