Engels, F. On Realism (1888): Friedrich Engels. Marxist literary theory : a reader.(2000).
Lua i Stíl Chicago (17ú heag.)Engels, Friedrich. "On Realism (1888): Friedrich Engels." Marxist Literary Theory : A Reader.(2000) .
Lua MLA (8ú heag.)Engels, Friedrich. "On Realism (1888): Friedrich Engels." Marxist Literary Theory : A Reader.(2000), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.