Wittgenstein, L., & Ogden, C. K. (1983). Letters to C.K. Ogden with comments on the English translation of the Tractatus logico-Philosophicus. Blackwell.
芝加哥风格引文Wittgenstein, Ludwig, 与 Charles Kay Ogden. Letters to C.K. Ogden with Comments on the English Translation of the Tractatus Logico-Philosophicus. Oxford: Blackwell, 1983.
MLA引文Wittgenstein, Ludwig, 与 Charles Kay Ogden. Letters to C.K. Ogden with Comments on the English Translation of the Tractatus Logico-Philosophicus. Blackwell, 1983.
警告：这些引文格式不一定是100％准确.