Morawetz, T., & Wittgenstein, L. (1978). Wittgenstein & knowledge: The importance of On certainty. Univ. of Massachusetts Press.
芝加哥风格引文Morawetz, Thomas, 与 Ludwig Wittgenstein. Wittgenstein & Knowledge: The Importance of On Certainty. Amherst, Mass: Univ. of Massachusetts Press, 1978.
MLA引文Morawetz, Thomas, 与 Ludwig Wittgenstein. Wittgenstein & Knowledge: The Importance of On Certainty. Univ. of Massachusetts Press, 1978.
警告：这些引文格式不一定是100％准确.