Παραπομπή APA

Pirie, D. B. (1985). How to write critical essays. Routledge.

Παραπομπή Chicago Style

Pirie, David B. How to Write Critical Essays. London: Routledge, 1985.

Παραπομπή MLA

Pirie, David B. How to Write Critical Essays. Routledge, 1985.