Cogny, P. Realism and naturalism: Roots of the Twentieth century / Pierre Cogny. L'henaurme siecle : a miscellany of essays on Nineteenth-century French literature.(1984).
Lua i Stíl Chicago (17ú heag.)Cogny, Pierre. "Realism and Naturalism: Roots of the Twentieth Century / Pierre Cogny." L'henaurme Siecle : A Miscellany of Essays on Nineteenth-century French Literature.(1984) .
Lua MLA (8ú heag.)Cogny, Pierre. "Realism and Naturalism: Roots of the Twentieth Century / Pierre Cogny." L'henaurme Siecle : A Miscellany of Essays on Nineteenth-century French Literature.(1984), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.