Παραπομπή APA

Pirie, D. B. (2002). How to write critical essays. Routledge.

Παραπομπή Chicago Style

Pirie, David B. How to Write Critical Essays. New York: Routledge, 2002.

Παραπομπή MLA

Pirie, David B. How to Write Critical Essays. Routledge, 2002.