APA-referens (7:e uppl.)

Sen , M. (2010). An Introduction to Critical Thinking. Pearson.

Chicago-referens (17:e uppl.)

Sen , Madhucchandra. An Introduction to Critical Thinking. Noida: Pearson, 2010.

MLA-referens (9:e uppl.)

Sen , Madhucchandra. An Introduction to Critical Thinking. Pearson, 2010.