Pirie, D. (1985). How to write critical essays: A guide for students of literature. Routledge.
Lua i Stíl Chicago (17ú heag.)Pirie, David. How to Write Critical Essays: A Guide for Students of Literature. London ; New York: Routledge, 1985.
Lua MLA (8ú heag.)Pirie, David. How to Write Critical Essays: A Guide for Students of Literature. Routledge, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.