Existentialism A Very Short Introduction - Thomas Flynn

APA（第7版）

Existentialism A Very Short Introduction - Thomas Flynn. (n.d.).

芝加哥（第17版，作者-日期）

Existentialism A Very Short Introduction - Thomas Flynn. n.d.

MLA（第9版）

Existentialism A Very Short Introduction - Thomas Flynn.

哈佛

Existentialism A Very Short Introduction - Thomas Flynn (no date).

牛津（乌梅奥）

Existentialism A Very Short Introduction - Thomas Flynn. (n.d.).