Guerin, W. L. (1999). A handbook of critical approaches to literature (Fourth edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Guerin, Wilfred L. A Handbook of Critical Approaches to Literature. Fourth edition. New York: Oxford University Press, 1999.
Lua MLA (8ú heag.)Guerin, Wilfred L. A Handbook of Critical Approaches to Literature. Fourth edition. Oxford University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.