Wittgenstein A Very Short Introduction - A. C. Grayling

APA（第7版）

Wittgenstein A Very Short Introduction - A. C. Grayling. (n.d.).

芝加哥（第17版，作者-日期）

Wittgenstein A Very Short Introduction - A. C. Grayling. n.d.

MLA（第9版）

Wittgenstein A Very Short Introduction - A. C. Grayling.

哈佛

Wittgenstein A Very Short Introduction - A. C. Grayling (no date).

牛津（乌梅奥）

Wittgenstein A Very Short Introduction - A. C. Grayling. (n.d.).