Abrams, M. H. Orientation of critical theories: M. H. Abrams. Twentieth century literary theory : an introductory anthology.(1987).
Lua i Stíl Chicago (17ú heag.)Abrams, M. H. "Orientation of Critical Theories: M. H. Abrams." Twentieth Century Literary Theory : An Introductory Anthology.(1987) .
Lua MLA (8ú heag.)Abrams, M. H. "Orientation of Critical Theories: M. H. Abrams." Twentieth Century Literary Theory : An Introductory Anthology.(1987), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.