Lua APA (7ú heag.)
Barks, C. (2008). Winter sky: New and selected poems, 1968-2008. University of Georgia Press.
Lua i Stíl Chicago (17ú heag.)
Barks, Coleman. Winter Sky: New and Selected Poems, 1968-2008. Athens: University of Georgia Press, 2008.
Lua MLA (9ú heag.)
Barks, Coleman. Winter Sky: New and Selected Poems, 1968-2008. University of Georgia Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.