Sprinker, M. (1980). A counterpoint of dissonance: The aesthetics and poetry of Gerard Manley Hopkins. Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Sprinker, Michael. A Counterpoint of Dissonance: The Aesthetics and Poetry of Gerard Manley Hopkins. Baltimore: Johns Hopkins University Press, 1980.
Lua MLA (8ú heag.)Sprinker, Michael. A Counterpoint of Dissonance: The Aesthetics and Poetry of Gerard Manley Hopkins. Johns Hopkins University Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.